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Message-ID: <20200224165952.GA9377@embeddedor>
Date: Mon, 24 Feb 2020 10:59:52 -0600
From: "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To: Kalle Valo <kvalo@...eaurora.org>,
"David S. Miller" <davem@...emloft.net>,
Christian Lamparter <chunkeey@...glemail.com>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Alexandre Torgue <alexandre.torgue@...com>,
Maya Erez <merez@...eaurora.org>
Cc: ath10k@...ts.infradead.org, linux-wireless@...r.kernel.org,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
ath11k@...ts.infradead.org, wcn36xx@...ts.infradead.org,
linux-stm32@...md-mailman.stormreply.com,
linux-arm-kernel@...ts.infradead.org, wil6210@....qualcomm.com,
"Gustavo A. R. Silva" <gustavo@...eddedor.com>
Subject: [PATCH][next] ath: Replace zero-length array with flexible-array
member
The current codebase makes use of the zero-length array language
extension to the C90 standard, but the preferred mechanism to declare
variable-length types such as these ones is a flexible array member[1][2],
introduced in C99:
struct foo {
int stuff;
struct boo array[];
};
By making use of the mechanism above, we will get a compiler warning
in case the flexible array does not occur last in the structure, which
will help us prevent some kind of undefined behavior bugs from being
inadvertently introduced[3] to the codebase from now on.
Also, notice that, dynamic memory allocations won't be affected by
this change:
"Flexible array members have incomplete type, and so the sizeof operator
may not be applied. As a quirk of the original implementation of
zero-length arrays, sizeof evaluates to zero."[1]
This issue was detected with the help of Coccinelle.
[1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
[2] https://github.com/KSPP/linux/issues/21
[3] commit 76497732932f ("cxgb3/l2t: Fix undefined behaviour")
Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
---
drivers/net/wireless/ath/ath10k/ce.h | 2 +-
drivers/net/wireless/ath/ath10k/core.h | 2 +-
drivers/net/wireless/ath/ath10k/coredump.h | 4 +-
drivers/net/wireless/ath/ath10k/debug.h | 2 +-
drivers/net/wireless/ath/ath10k/hw.h | 2 +-
drivers/net/wireless/ath/ath10k/pci.h | 2 +-
drivers/net/wireless/ath/ath10k/swap.h | 2 +-
drivers/net/wireless/ath/ath10k/wmi-tlv.h | 6 +-
drivers/net/wireless/ath/ath10k/wmi.h | 42 +++++++-------
drivers/net/wireless/ath/ath11k/ce.h | 2 +-
drivers/net/wireless/ath/ath11k/debug.h | 2 +-
.../net/wireless/ath/ath11k/debug_htt_stats.h | 8 +--
drivers/net/wireless/ath/ath11k/dp.h | 10 ++--
drivers/net/wireless/ath/ath11k/hal_desc.h | 4 +-
drivers/net/wireless/ath/ath11k/hal_rx.h | 2 +-
drivers/net/wireless/ath/ath11k/hw.h | 2 +-
drivers/net/wireless/ath/ath11k/rx_desc.h | 2 +-
drivers/net/wireless/ath/ath11k/wmi.h | 2 +-
drivers/net/wireless/ath/ath6kl/core.h | 4 +-
drivers/net/wireless/ath/ath6kl/debug.c | 2 +-
drivers/net/wireless/ath/ath6kl/hif.h | 2 +-
drivers/net/wireless/ath/ath6kl/wmi.h | 26 ++++-----
drivers/net/wireless/ath/carl9170/fwcmd.h | 2 +-
drivers/net/wireless/ath/carl9170/fwdesc.h | 2 +-
drivers/net/wireless/ath/carl9170/hw.h | 2 +-
drivers/net/wireless/ath/carl9170/wlan.h | 2 +-
drivers/net/wireless/ath/spectral_common.h | 2 +-
drivers/net/wireless/ath/wcn36xx/hal.h | 4 +-
drivers/net/wireless/ath/wcn36xx/testmode.h | 2 +-
drivers/net/wireless/ath/wil6210/fw.h | 16 ++---
drivers/net/wireless/ath/wil6210/wmi.c | 2 +-
drivers/net/wireless/ath/wil6210/wmi.h | 58 +++++++++----------
32 files changed, 112 insertions(+), 112 deletions(-)
diff --git a/drivers/net/wireless/ath/ath10k/ce.h b/drivers/net/wireless/ath/ath10k/ce.h
index a7478c240f78..41b5ea25ca57 100644
--- a/drivers/net/wireless/ath/ath10k/ce.h
+++ b/drivers/net/wireless/ath/ath10k/ce.h
@@ -110,7 +110,7 @@ struct ath10k_ce_ring {
struct ce_desc_64 *shadow_base;
/* keep last */
- void *per_transfer_context[0];
+ void *per_transfer_context[];
};
struct ath10k_ce_pipe {
diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h
index 5101bf2b5b15..7155eafdf8c6 100644
--- a/drivers/net/wireless/ath/ath10k/core.h
+++ b/drivers/net/wireless/ath/ath10k/core.h
@@ -1223,7 +1223,7 @@ struct ath10k {
struct completion peer_delete_done;
/* must be last */
- u8 drv_priv[0] __aligned(sizeof(void *));
+ u8 drv_priv[] __aligned(sizeof(void *));
};
static inline bool ath10k_peer_stats_enabled(struct ath10k *ar)
diff --git a/drivers/net/wireless/ath/ath10k/coredump.h b/drivers/net/wireless/ath/ath10k/coredump.h
index 8bf03e8c1d3a..e760ce1a5f1e 100644
--- a/drivers/net/wireless/ath/ath10k/coredump.h
+++ b/drivers/net/wireless/ath/ath10k/coredump.h
@@ -88,7 +88,7 @@ struct ath10k_dump_file_data {
u8 unused[128];
/* struct ath10k_tlv_dump_data + more */
- u8 data[0];
+ u8 data[];
} __packed;
struct ath10k_dump_ram_data_hdr {
@@ -100,7 +100,7 @@ struct ath10k_dump_ram_data_hdr {
/* length of payload data, not including this header */
__le32 length;
- u8 data[0];
+ u8 data[];
};
/* magic number to fill the holes not copied due to sections in regions */
diff --git a/drivers/net/wireless/ath/ath10k/debug.h b/drivers/net/wireless/ath/ath10k/debug.h
index 82f7eb8583d9..099cc438e231 100644
--- a/drivers/net/wireless/ath/ath10k/debug.h
+++ b/drivers/net/wireless/ath/ath10k/debug.h
@@ -65,7 +65,7 @@ struct ath10k_pktlog_hdr {
__le16 log_type; /* Type of log information foll this header */
__le16 size; /* Size of variable length log information in bytes */
__le32 timestamp;
- u8 payload[0];
+ u8 payload[];
} __packed;
/* FIXME: How to calculate the buffer size sanely? */
diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h
index 775fd62fb92d..87c18266f88f 100644
--- a/drivers/net/wireless/ath/ath10k/hw.h
+++ b/drivers/net/wireless/ath/ath10k/hw.h
@@ -165,7 +165,7 @@ enum qca9377_chip_id_rev {
struct ath10k_fw_ie {
__le32 id;
__le32 len;
- u8 data[0];
+ u8 data[];
};
enum ath10k_fw_ie_type {
diff --git a/drivers/net/wireless/ath/ath10k/pci.h b/drivers/net/wireless/ath/ath10k/pci.h
index 4455ed6c5275..1254412f06dd 100644
--- a/drivers/net/wireless/ath/ath10k/pci.h
+++ b/drivers/net/wireless/ath/ath10k/pci.h
@@ -182,7 +182,7 @@ struct ath10k_pci {
* allocated (ahb support enabled case) in the continuation of
* this struct.
*/
- struct ath10k_ahb ahb[0];
+ struct ath10k_ahb ahb[];
};
static inline struct ath10k_pci *ath10k_pci_priv(struct ath10k *ar)
diff --git a/drivers/net/wireless/ath/ath10k/swap.h b/drivers/net/wireless/ath/ath10k/swap.h
index 25e0ad36ddb1..b4733b5ded34 100644
--- a/drivers/net/wireless/ath/ath10k/swap.h
+++ b/drivers/net/wireless/ath/ath10k/swap.h
@@ -17,7 +17,7 @@ struct ath10k_fw_file;
struct ath10k_swap_code_seg_tlv {
__le32 address;
__le32 length;
- u8 data[0];
+ u8 data[];
} __packed;
struct ath10k_swap_code_seg_tail {
diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.h b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
index 4972dc12991c..4d49eb4b7f3d 100644
--- a/drivers/net/wireless/ath/ath10k/wmi-tlv.h
+++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.h
@@ -1623,7 +1623,7 @@ wmi_tlv_svc_map_ext(const __le32 *in, unsigned long *out, size_t len)
struct wmi_tlv {
__le16 len;
__le16 tag;
- u8 value[0];
+ u8 value[];
} __packed;
struct ath10k_mgmt_tx_pkt_addr {
@@ -2023,7 +2023,7 @@ struct wmi_tlv_bcn_tx_status_ev {
struct wmi_tlv_bcn_prb_info {
__le32 caps;
__le32 erp;
- u8 ies[0];
+ u8 ies[];
} __packed;
struct wmi_tlv_bcn_tmpl_cmd {
@@ -2054,7 +2054,7 @@ struct wmi_tlv_diag_item {
__le16 len;
__le32 timestamp;
__le32 code;
- u8 payload[0];
+ u8 payload[];
} __packed;
struct wmi_tlv_diag_data_ev {
diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h
index 972d53d77654..a2fdb9550627 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.h
+++ b/drivers/net/wireless/ath/ath10k/wmi.h
@@ -2283,7 +2283,7 @@ struct wmi_service_ready_event {
* where FW can access this memory directly (or) by DMA.
*/
__le32 num_mem_reqs;
- struct wlan_host_mem_req mem_reqs[0];
+ struct wlan_host_mem_req mem_reqs[];
} __packed;
/* This is the definition from 10.X firmware branch */
@@ -2322,7 +2322,7 @@ struct wmi_10x_service_ready_event {
*/
__le32 num_mem_reqs;
- struct wlan_host_mem_req mem_reqs[0];
+ struct wlan_host_mem_req mem_reqs[];
} __packed;
#define WMI_SERVICE_READY_TIMEOUT_HZ (5 * HZ)
@@ -3077,19 +3077,19 @@ struct wmi_chan_list_entry {
struct wmi_chan_list {
__le32 tag; /* WMI_CHAN_LIST_TAG */
__le32 num_chan;
- struct wmi_chan_list_entry channel_list[0];
+ struct wmi_chan_list_entry channel_list[];
} __packed;
struct wmi_bssid_list {
__le32 tag; /* WMI_BSSID_LIST_TAG */
__le32 num_bssid;
- struct wmi_mac_addr bssid_list[0];
+ struct wmi_mac_addr bssid_list[];
} __packed;
struct wmi_ie_data {
__le32 tag; /* WMI_IE_TAG */
__le32 ie_len;
- u8 ie_data[0];
+ u8 ie_data[];
} __packed;
struct wmi_ssid {
@@ -3100,7 +3100,7 @@ struct wmi_ssid {
struct wmi_ssid_list {
__le32 tag; /* WMI_SSID_LIST_TAG */
__le32 num_ssids;
- struct wmi_ssid ssids[0];
+ struct wmi_ssid ssids[];
} __packed;
/* prefix used by scan requestor ids on the host */
@@ -3302,7 +3302,7 @@ struct wmi_stop_scan_arg {
struct wmi_scan_chan_list_cmd {
__le32 num_scan_chans;
- struct wmi_channel chan_info[0];
+ struct wmi_channel chan_info[];
} __packed;
struct wmi_scan_chan_list_arg {
@@ -3386,12 +3386,12 @@ struct wmi_mgmt_rx_hdr_v2 {
struct wmi_mgmt_rx_event_v1 {
struct wmi_mgmt_rx_hdr_v1 hdr;
- u8 buf[0];
+ u8 buf[];
} __packed;
struct wmi_mgmt_rx_event_v2 {
struct wmi_mgmt_rx_hdr_v2 hdr;
- u8 buf[0];
+ u8 buf[];
} __packed;
struct wmi_10_4_mgmt_rx_hdr {
@@ -3406,7 +3406,7 @@ struct wmi_10_4_mgmt_rx_hdr {
struct wmi_10_4_mgmt_rx_event {
struct wmi_10_4_mgmt_rx_hdr hdr;
- u8 buf[0];
+ u8 buf[];
} __packed;
struct wmi_mgmt_rx_ext_info {
@@ -3446,14 +3446,14 @@ struct wmi_phyerr {
__le32 rssi_chains[4];
__le16 nf_chains[4];
__le32 buf_len;
- u8 buf[0];
+ u8 buf[];
} __packed;
struct wmi_phyerr_event {
__le32 num_phyerrs;
__le32 tsf_l32;
__le32 tsf_u32;
- struct wmi_phyerr phyerrs[0];
+ struct wmi_phyerr phyerrs[];
} __packed;
struct wmi_10_4_phyerr_event {
@@ -3470,7 +3470,7 @@ struct wmi_10_4_phyerr_event {
__le32 phy_err_mask[2];
__le32 tsf_timestamp;
__le32 buf_len;
- u8 buf[0];
+ u8 buf[];
} __packed;
struct wmi_radar_found_info {
@@ -3583,7 +3583,7 @@ struct wmi_mgmt_tx_hdr {
struct wmi_mgmt_tx_cmd {
struct wmi_mgmt_tx_hdr hdr;
- u8 buf[0];
+ u8 buf[];
} __packed;
struct wmi_echo_event {
@@ -4611,7 +4611,7 @@ struct wmi_stats_event {
* By having a zero sized array, the pointer to data area
* becomes available without increasing the struct size
*/
- u8 data[0];
+ u8 data[];
} __packed;
struct wmi_10_2_stats_event {
@@ -4621,7 +4621,7 @@ struct wmi_10_2_stats_event {
__le32 num_vdev_stats;
__le32 num_peer_stats;
__le32 num_bcnflt_stats;
- u8 data[0];
+ u8 data[];
} __packed;
/*
@@ -5016,7 +5016,7 @@ struct wmi_vdev_install_key_cmd {
__le32 key_rxmic_len;
/* contains key followed by tx mic followed by rx mic */
- u8 key_data[0];
+ u8 key_data[];
} __packed;
struct wmi_vdev_install_key_arg {
@@ -5686,7 +5686,7 @@ struct wmi_bcn_tx_hdr {
struct wmi_bcn_tx_cmd {
struct wmi_bcn_tx_hdr hdr;
- u8 *bcn[0];
+ u8 *bcn[];
} __packed;
struct wmi_bcn_tx_arg {
@@ -6103,7 +6103,7 @@ struct wmi_bcn_info {
struct wmi_host_swba_event {
__le32 vdev_map;
- struct wmi_bcn_info bcn_info[0];
+ struct wmi_bcn_info bcn_info[];
} __packed;
struct wmi_10_2_4_bcn_info {
@@ -6113,7 +6113,7 @@ struct wmi_10_2_4_bcn_info {
struct wmi_10_2_4_host_swba_event {
__le32 vdev_map;
- struct wmi_10_2_4_bcn_info bcn_info[0];
+ struct wmi_10_2_4_bcn_info bcn_info[];
} __packed;
/* 16 words = 512 client + 1 word = for guard */
@@ -6154,7 +6154,7 @@ struct wmi_10_4_bcn_info {
struct wmi_10_4_host_swba_event {
__le32 vdev_map;
- struct wmi_10_4_bcn_info bcn_info[0];
+ struct wmi_10_4_bcn_info bcn_info[];
} __packed;
#define WMI_MAX_AP_VDEV 16
diff --git a/drivers/net/wireless/ath/ath11k/ce.h b/drivers/net/wireless/ath/ath11k/ce.h
index e355dfda48bf..5fbf1fc39606 100644
--- a/drivers/net/wireless/ath/ath11k/ce.h
+++ b/drivers/net/wireless/ath/ath11k/ce.h
@@ -144,7 +144,7 @@ struct ath11k_ce_ring {
u32 hal_ring_id;
/* keep last */
- struct sk_buff *skb[0];
+ struct sk_buff *skb[];
};
struct ath11k_ce_pipe {
diff --git a/drivers/net/wireless/ath/ath11k/debug.h b/drivers/net/wireless/ath/ath11k/debug.h
index 8e8d5588b541..ead5ca5160b6 100644
--- a/drivers/net/wireless/ath/ath11k/debug.h
+++ b/drivers/net/wireless/ath/ath11k/debug.h
@@ -65,7 +65,7 @@ struct debug_htt_stats_req {
u8 peer_addr[ETH_ALEN];
struct completion cmpln;
u32 buf_len;
- u8 buf[0];
+ u8 buf[];
};
#define ATH11K_HTT_STATS_BUF_SIZE (1024 * 512)
diff --git a/drivers/net/wireless/ath/ath11k/debug_htt_stats.h b/drivers/net/wireless/ath/ath11k/debug_htt_stats.h
index 4bdb62dd7b8d..f85982dcc2ad 100644
--- a/drivers/net/wireless/ath/ath11k/debug_htt_stats.h
+++ b/drivers/net/wireless/ath/ath11k/debug_htt_stats.h
@@ -237,7 +237,7 @@ struct htt_tx_pdev_stats_tx_ppdu_stats_tlv_v {
*/
struct htt_tx_pdev_stats_tried_mpdu_cnt_hist_tlv_v {
u32 hist_bin_size;
- u32 tried_mpdu_cnt_hist[0]; /* HTT_TX_PDEV_TRIED_MPDU_CNT_HIST */
+ u32 tried_mpdu_cnt_hist[]; /* HTT_TX_PDEV_TRIED_MPDU_CNT_HIST */
};
/* == SOC ERROR STATS == */
@@ -548,7 +548,7 @@ struct htt_tx_hwq_stats_cmn_tlv {
struct htt_tx_hwq_difs_latency_stats_tlv_v {
u32 hist_intvl;
/* histogram of ppdu post to hwsch - > cmd status received */
- u32 difs_latency_hist[0]; /* HTT_TX_HWQ_MAX_DIFS_LATENCY_BINS */
+ u32 difs_latency_hist[]; /* HTT_TX_HWQ_MAX_DIFS_LATENCY_BINS */
};
/* NOTE: Variable length TLV, use length spec to infer array size */
@@ -584,7 +584,7 @@ struct htt_tx_hwq_fes_result_stats_tlv_v {
struct htt_tx_hwq_tried_mpdu_cnt_hist_tlv_v {
u32 hist_bin_size;
/* Histogram of number of mpdus on tried mpdu */
- u32 tried_mpdu_cnt_hist[0]; /* HTT_TX_HWQ_TRIED_MPDU_CNT_HIST */
+ u32 tried_mpdu_cnt_hist[]; /* HTT_TX_HWQ_TRIED_MPDU_CNT_HIST */
};
/* NOTE: Variable length TLV, use length spec to infer array size
@@ -1582,7 +1582,7 @@ struct htt_pdev_stats_twt_session_tlv {
struct htt_pdev_stats_twt_sessions_tlv {
u32 pdev_id;
u32 num_sessions;
- struct htt_pdev_stats_twt_session_tlv twt_session[0];
+ struct htt_pdev_stats_twt_session_tlv twt_session[];
};
enum htt_rx_reo_resource_sample_id_enum {
diff --git a/drivers/net/wireless/ath/ath11k/dp.h b/drivers/net/wireless/ath/ath11k/dp.h
index 6ef5be4201b2..71d387c6c925 100644
--- a/drivers/net/wireless/ath/ath11k/dp.h
+++ b/drivers/net/wireless/ath/ath11k/dp.h
@@ -1022,12 +1022,12 @@ struct ath11k_htt_ppdu_stats_msg {
u32 ppdu_id;
u32 timestamp;
u32 rsvd;
- u8 data[0];
+ u8 data[];
} __packed;
struct htt_tlv {
u32 header;
- u8 value[0];
+ u8 value[];
} __packed;
#define HTT_TLV_TAG GENMASK(11, 0)
@@ -1205,7 +1205,7 @@ struct htt_ppdu_stats_usr_cmn_array {
* tx_ppdu_stats_info is variable length, with length =
* number_of_ppdu_stats * sizeof (struct htt_tx_ppdu_stats_info)
*/
- struct htt_tx_ppdu_stats_info tx_ppdu_info[0];
+ struct htt_tx_ppdu_stats_info tx_ppdu_info[];
} __packed;
struct htt_ppdu_user_stats {
@@ -1267,7 +1267,7 @@ struct htt_ppdu_stats_info {
*/
struct htt_pktlog_msg {
u32 hdr;
- u8 payload[0];
+ u8 payload[];
};
/**
@@ -1487,7 +1487,7 @@ struct ath11k_htt_extd_stats_msg {
u32 info0;
u64 cookie;
u32 info1;
- u8 data[0];
+ u8 data[];
} __packed;
struct htt_mac_addr {
diff --git a/drivers/net/wireless/ath/ath11k/hal_desc.h b/drivers/net/wireless/ath/ath11k/hal_desc.h
index 5e200380cca4..a1f747c1c44d 100644
--- a/drivers/net/wireless/ath/ath11k/hal_desc.h
+++ b/drivers/net/wireless/ath/ath11k/hal_desc.h
@@ -477,7 +477,7 @@ enum hal_tlv_tag {
struct hal_tlv_hdr {
u32 tl;
- u8 value[0];
+ u8 value[];
} __packed;
#define RX_MPDU_DESC_INFO0_MSDU_COUNT GENMASK(7, 0)
@@ -1972,7 +1972,7 @@ struct hal_rx_reo_queue {
u32 processed_total_bytes;
u32 info5;
u32 rsvd[3];
- struct hal_rx_reo_queue_ext ext_desc[0];
+ struct hal_rx_reo_queue_ext ext_desc[];
} __packed;
/* hal_rx_reo_queue
diff --git a/drivers/net/wireless/ath/ath11k/hal_rx.h b/drivers/net/wireless/ath/ath11k/hal_rx.h
index bb022c781c48..07b97fcb7c08 100644
--- a/drivers/net/wireless/ath/ath11k/hal_rx.h
+++ b/drivers/net/wireless/ath/ath11k/hal_rx.h
@@ -23,7 +23,7 @@ struct hal_rx_wbm_rel_info {
struct hal_rx_mon_status_tlv_hdr {
u32 hdr;
- u8 value[0];
+ u8 value[];
};
enum hal_rx_su_mu_coding {
diff --git a/drivers/net/wireless/ath/ath11k/hw.h b/drivers/net/wireless/ath/ath11k/hw.h
index dd39333ec0ea..7610c46c75fa 100644
--- a/drivers/net/wireless/ath/ath11k/hw.h
+++ b/drivers/net/wireless/ath/ath11k/hw.h
@@ -110,7 +110,7 @@ struct ath11k_hw_params {
struct ath11k_fw_ie {
__le32 id;
__le32 len;
- u8 data[0];
+ u8 data[];
};
enum ath11k_bd_ie_board_type {
diff --git a/drivers/net/wireless/ath/ath11k/rx_desc.h b/drivers/net/wireless/ath/ath11k/rx_desc.h
index a5aff801f17f..ec2bca652923 100644
--- a/drivers/net/wireless/ath/ath11k/rx_desc.h
+++ b/drivers/net/wireless/ath/ath11k/rx_desc.h
@@ -1206,7 +1206,7 @@ struct hal_rx_desc {
__le32 hdr_status_tag;
__le32 phy_ppdu_id;
u8 hdr_status[HAL_RX_DESC_HDR_STATUS_LEN];
- u8 msdu_payload[0];
+ u8 msdu_payload[];
} __packed;
#endif /* ATH11K_RX_DESC_H */
diff --git a/drivers/net/wireless/ath/ath11k/wmi.h b/drivers/net/wireless/ath/ath11k/wmi.h
index 1fde15c762ad..3dc3a6716881 100644
--- a/drivers/net/wireless/ath/ath11k/wmi.h
+++ b/drivers/net/wireless/ath/ath11k/wmi.h
@@ -39,7 +39,7 @@ struct wmi_cmd_hdr {
struct wmi_tlv {
u32 header;
- u8 value[0];
+ u8 value[];
} __packed;
#define WMI_TLV_LEN GENMASK(15, 0)
diff --git a/drivers/net/wireless/ath/ath6kl/core.h b/drivers/net/wireless/ath/ath6kl/core.h
index 0d30e762c090..77e052336eb5 100644
--- a/drivers/net/wireless/ath/ath6kl/core.h
+++ b/drivers/net/wireless/ath/ath6kl/core.h
@@ -160,7 +160,7 @@ enum ath6kl_fw_capability {
struct ath6kl_fw_ie {
__le32 id;
__le32 len;
- u8 data[0];
+ u8 data[];
};
enum ath6kl_hw_flags {
@@ -406,7 +406,7 @@ struct ath6kl_mgmt_buff {
u32 id;
bool no_cck;
size_t len;
- u8 buf[0];
+ u8 buf[];
};
struct ath6kl_sta {
diff --git a/drivers/net/wireless/ath/ath6kl/debug.c b/drivers/net/wireless/ath/ath6kl/debug.c
index 54337d60f288..7506cea46f58 100644
--- a/drivers/net/wireless/ath/ath6kl/debug.c
+++ b/drivers/net/wireless/ath/ath6kl/debug.c
@@ -30,7 +30,7 @@ struct ath6kl_fwlog_slot {
__le32 length;
/* max ATH6KL_FWLOG_PAYLOAD_SIZE bytes */
- u8 payload[0];
+ u8 payload[];
};
#define ATH6KL_FWLOG_MAX_ENTRIES 20
diff --git a/drivers/net/wireless/ath/ath6kl/hif.h b/drivers/net/wireless/ath/ath6kl/hif.h
index dc6bd8cd9b83..aea7fea2a81e 100644
--- a/drivers/net/wireless/ath/ath6kl/hif.h
+++ b/drivers/net/wireless/ath/ath6kl/hif.h
@@ -199,7 +199,7 @@ struct hif_scatter_req {
u32 scat_q_depth;
- struct hif_scatter_item scat_list[0];
+ struct hif_scatter_item scat_list[];
};
struct ath6kl_irq_proc_registers {
diff --git a/drivers/net/wireless/ath/ath6kl/wmi.h b/drivers/net/wireless/ath/ath6kl/wmi.h
index 784940ba4c90..8535784af513 100644
--- a/drivers/net/wireless/ath/ath6kl/wmi.h
+++ b/drivers/net/wireless/ath/ath6kl/wmi.h
@@ -1637,7 +1637,7 @@ struct bss_bias {
struct bss_bias_info {
u8 num_bss;
- struct bss_bias bss_bias[0];
+ struct bss_bias bss_bias[];
} __packed;
struct low_rssi_scan_params {
@@ -1720,7 +1720,7 @@ struct wmi_neighbor_info {
struct wmi_neighbor_report_event {
u8 num_neighbors;
- struct wmi_neighbor_info neighbor[0];
+ struct wmi_neighbor_info neighbor[];
} __packed;
/* TKIP MIC Error Event */
@@ -2051,7 +2051,7 @@ struct wmi_get_keepalive_cmd {
struct wmi_set_appie_cmd {
u8 mgmt_frm_type; /* enum wmi_mgmt_frame_type */
u8 ie_len;
- u8 ie_info[0];
+ u8 ie_info[];
} __packed;
struct wmi_set_ie_cmd {
@@ -2059,7 +2059,7 @@ struct wmi_set_ie_cmd {
u8 ie_field; /* enum wmi_ie_field_type */
u8 ie_len;
u8 reserved;
- u8 ie_info[0];
+ u8 ie_info[];
} __packed;
/* Notify the WSC registration status to the target */
@@ -2127,7 +2127,7 @@ struct wmi_add_wow_pattern_cmd {
u8 filter_list_id;
u8 filter_size;
u8 filter_offset;
- u8 filter[0];
+ u8 filter[];
} __packed;
struct wmi_del_wow_pattern_cmd {
@@ -2360,7 +2360,7 @@ struct wmi_send_action_cmd {
__le32 freq;
__le32 wait;
__le16 len;
- u8 data[0];
+ u8 data[];
} __packed;
struct wmi_send_mgmt_cmd {
@@ -2369,7 +2369,7 @@ struct wmi_send_mgmt_cmd {
__le32 wait;
__le32 no_cck;
__le16 len;
- u8 data[0];
+ u8 data[];
} __packed;
struct wmi_tx_status_event {
@@ -2389,7 +2389,7 @@ struct wmi_set_appie_extended_cmd {
u8 role_id;
u8 mgmt_frm_type;
u8 ie_len;
- u8 ie_info[0];
+ u8 ie_info[];
} __packed;
struct wmi_remain_on_chnl_event {
@@ -2406,18 +2406,18 @@ struct wmi_cancel_remain_on_chnl_event {
struct wmi_rx_action_event {
__le32 freq;
__le16 len;
- u8 data[0];
+ u8 data[];
} __packed;
struct wmi_p2p_capabilities_event {
__le16 len;
- u8 data[0];
+ u8 data[];
} __packed;
struct wmi_p2p_rx_probe_req_event {
__le32 freq;
__le16 len;
- u8 data[0];
+ u8 data[];
} __packed;
#define P2P_FLAG_CAPABILITIES_REQ (0x00000001)
@@ -2431,7 +2431,7 @@ struct wmi_get_p2p_info {
struct wmi_p2p_info_event {
__le32 info_req_flags;
__le16 len;
- u8 data[0];
+ u8 data[];
} __packed;
struct wmi_p2p_capabilities {
@@ -2450,7 +2450,7 @@ struct wmi_p2p_probe_response_cmd {
__le32 freq;
u8 destination_addr[ETH_ALEN];
__le16 len;
- u8 data[0];
+ u8 data[];
} __packed;
/* Extended WMI (WMIX)
diff --git a/drivers/net/wireless/ath/carl9170/fwcmd.h b/drivers/net/wireless/ath/carl9170/fwcmd.h
index ea1d80f9a50e..56999a3b9d3b 100644
--- a/drivers/net/wireless/ath/carl9170/fwcmd.h
+++ b/drivers/net/wireless/ath/carl9170/fwcmd.h
@@ -127,7 +127,7 @@ struct carl9170_write_reg {
struct carl9170_write_reg_byte {
__le32 addr;
__le32 count;
- u8 val[0];
+ u8 val[];
} __packed;
#define CARL9170FW_PHY_HT_ENABLE 0x4
diff --git a/drivers/net/wireless/ath/carl9170/fwdesc.h b/drivers/net/wireless/ath/carl9170/fwdesc.h
index 503b21abbba5..10acb6ad30d0 100644
--- a/drivers/net/wireless/ath/carl9170/fwdesc.h
+++ b/drivers/net/wireless/ath/carl9170/fwdesc.h
@@ -149,7 +149,7 @@ struct carl9170fw_fix_entry {
struct carl9170fw_fix_desc {
struct carl9170fw_desc_head head;
- struct carl9170fw_fix_entry data[0];
+ struct carl9170fw_fix_entry data[];
} __packed;
#define CARL9170FW_FIX_DESC_SIZE \
(sizeof(struct carl9170fw_fix_desc))
diff --git a/drivers/net/wireless/ath/carl9170/hw.h b/drivers/net/wireless/ath/carl9170/hw.h
index 08e0ae9c5836..555ad4975970 100644
--- a/drivers/net/wireless/ath/carl9170/hw.h
+++ b/drivers/net/wireless/ath/carl9170/hw.h
@@ -851,7 +851,7 @@ struct ar9170_stream {
__le16 length;
__le16 tag;
- u8 payload[0];
+ u8 payload[];
} __packed __aligned(4);
#define AR9170_STREAM_LEN 4
diff --git a/drivers/net/wireless/ath/carl9170/wlan.h b/drivers/net/wireless/ath/carl9170/wlan.h
index ea17995b32f4..54a6fbfc77cf 100644
--- a/drivers/net/wireless/ath/carl9170/wlan.h
+++ b/drivers/net/wireless/ath/carl9170/wlan.h
@@ -327,7 +327,7 @@ struct _carl9170_tx_superdesc {
struct _carl9170_tx_superframe {
struct _carl9170_tx_superdesc s;
struct _ar9170_tx_hwdesc f;
- u8 frame_data[0];
+ u8 frame_data[];
} __packed __aligned(4);
#define CARL9170_TX_SUPERDESC_LEN 24
diff --git a/drivers/net/wireless/ath/spectral_common.h b/drivers/net/wireless/ath/spectral_common.h
index 0d742acb1599..90f08ffc911e 100644
--- a/drivers/net/wireless/ath/spectral_common.h
+++ b/drivers/net/wireless/ath/spectral_common.h
@@ -107,7 +107,7 @@ struct fft_sample_ath10k {
u8 avgpwr_db;
u8 max_exp;
- u8 data[0];
+ u8 data[];
} __packed;
#endif /* SPECTRAL_COMMON_H */
diff --git a/drivers/net/wireless/ath/wcn36xx/hal.h b/drivers/net/wireless/ath/wcn36xx/hal.h
index 6ba0fd57c951..aab5a58616fc 100644
--- a/drivers/net/wireless/ath/wcn36xx/hal.h
+++ b/drivers/net/wireless/ath/wcn36xx/hal.h
@@ -2240,7 +2240,7 @@ struct wcn36xx_hal_process_ptt_msg_req_msg {
struct wcn36xx_hal_msg_header header;
/* Actual FTM Command body */
- u8 ptt_msg[0];
+ u8 ptt_msg[];
} __packed;
struct wcn36xx_hal_process_ptt_msg_rsp_msg {
@@ -2249,7 +2249,7 @@ struct wcn36xx_hal_process_ptt_msg_rsp_msg {
/* FTM Command response status */
u32 ptt_msg_resp_status;
/* Actual FTM Command body */
- u8 ptt_msg[0];
+ u8 ptt_msg[];
} __packed;
struct update_edca_params_req_msg {
diff --git a/drivers/net/wireless/ath/wcn36xx/testmode.h b/drivers/net/wireless/ath/wcn36xx/testmode.h
index 4c6cfdb46580..09d68fab9add 100644
--- a/drivers/net/wireless/ath/wcn36xx/testmode.h
+++ b/drivers/net/wireless/ath/wcn36xx/testmode.h
@@ -20,7 +20,7 @@ struct ftm_rsp_msg {
u16 msg_id;
u16 msg_body_length;
u32 resp_status;
- u8 msg_response[0];
+ u8 msg_response[];
} __packed;
/* The request buffer of FTM which contains a byte of command and the request */
diff --git a/drivers/net/wireless/ath/wil6210/fw.h b/drivers/net/wireless/ath/wil6210/fw.h
index 540fa1607794..440614d61156 100644
--- a/drivers/net/wireless/ath/wil6210/fw.h
+++ b/drivers/net/wireless/ath/wil6210/fw.h
@@ -33,7 +33,7 @@ struct wil_fw_record_head {
*/
struct wil_fw_record_data { /* type == wil_fw_type_data */
__le32 addr;
- __le32 data[0]; /* [data_size], see above */
+ __le32 data[]; /* [data_size], see above */
} __packed;
/* fill with constant @value, @size bytes starting from @addr */
@@ -61,7 +61,7 @@ struct wil_fw_record_capabilities { /* type == wil_fw_type_comment */
/* identifies capabilities record */
struct wil_fw_record_comment_hdr hdr;
/* capabilities (variable size), see enum wmi_fw_capability */
- u8 capabilities[0];
+ u8 capabilities[];
} __packed;
/* FW VIF concurrency encoded inside a comment record
@@ -80,7 +80,7 @@ struct wil_fw_concurrency_combo {
u8 n_diff_channels; /* total number of different channels allowed */
u8 same_bi; /* for APs, 1 if all APs must have same BI */
/* keep last - concurrency limits, variable size by n_limits */
- struct wil_fw_concurrency_limit limits[0];
+ struct wil_fw_concurrency_limit limits[];
} __packed;
struct wil_fw_record_concurrency { /* type == wil_fw_type_comment */
@@ -93,7 +93,7 @@ struct wil_fw_record_concurrency { /* type == wil_fw_type_comment */
/* number of concurrency combinations that follow */
__le16 n_combos;
/* keep last - combinations, variable size by n_combos */
- struct wil_fw_concurrency_combo combos[0];
+ struct wil_fw_concurrency_combo combos[];
} __packed;
/* brd file info encoded inside a comment record */
@@ -108,7 +108,7 @@ struct wil_fw_record_brd_file { /* type == wil_fw_type_comment */
/* identifies brd file record */
struct wil_fw_record_comment_hdr hdr;
__le32 version;
- struct brd_info brd_info[0];
+ struct brd_info brd_info[];
} __packed;
/* perform action
@@ -116,7 +116,7 @@ struct wil_fw_record_brd_file { /* type == wil_fw_type_comment */
*/
struct wil_fw_record_action { /* type == wil_fw_type_action */
__le32 action; /* action to perform: reset, wait for fw ready etc. */
- __le32 data[0]; /* action specific, [data_size], see above */
+ __le32 data[]; /* action specific, [data_size], see above */
} __packed;
/* data block for struct wil_fw_record_direct_write */
@@ -179,7 +179,7 @@ struct wil_fw_record_gateway_data { /* type == wil_fw_type_gateway_data */
#define WIL_FW_GW_CTL_BUSY BIT(29) /* gateway busy performing operation */
#define WIL_FW_GW_CTL_RUN BIT(30) /* start gateway operation */
__le32 command;
- struct wil_fw_data_gw data[0]; /* total size [data_size], see above */
+ struct wil_fw_data_gw data[]; /* total size [data_size], see above */
} __packed;
/* 4-dword gateway */
@@ -201,7 +201,7 @@ struct wil_fw_record_gateway_data4 { /* type == wil_fw_type_gateway_data4 */
__le32 gateway_cmd_addr;
__le32 gateway_ctrl_address; /* same logic as for 1-dword gw */
__le32 command;
- struct wil_fw_data_gw4 data[0]; /* total size [data_size], see above */
+ struct wil_fw_data_gw4 data[]; /* total size [data_size], see above */
} __packed;
#endif /* __WIL_FW_H__ */
diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c
index 23e1ed6a9d6d..c7136ce567ee 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.c
+++ b/drivers/net/wireless/ath/wil6210/wmi.c
@@ -222,7 +222,7 @@ struct auth_no_hdr {
__le16 auth_transaction;
__le16 status_code;
/* possibly followed by Challenge text */
- u8 variable[0];
+ u8 variable[];
} __packed;
u8 led_polarity = LED_POLARITY_LOW_ACTIVE;
diff --git a/drivers/net/wireless/ath/wil6210/wmi.h b/drivers/net/wireless/ath/wil6210/wmi.h
index e3558136e0c4..9affa4525609 100644
--- a/drivers/net/wireless/ath/wil6210/wmi.h
+++ b/drivers/net/wireless/ath/wil6210/wmi.h
@@ -474,7 +474,7 @@ struct wmi_start_scan_cmd {
struct {
u8 channel;
u8 reserved;
- } channel_list[0];
+ } channel_list[];
} __packed;
#define WMI_MAX_PNO_SSID_NUM (16)
@@ -530,7 +530,7 @@ struct wmi_update_ft_ies_cmd {
/* Length of the FT IEs */
__le16 ie_len;
u8 reserved[2];
- u8 ie_info[0];
+ u8 ie_info[];
} __packed;
/* WMI_SET_PROBED_SSID_CMDID */
@@ -575,7 +575,7 @@ struct wmi_set_appie_cmd {
u8 reserved;
/* Length of the IE to be added to MGMT frame */
__le16 ie_len;
- u8 ie_info[0];
+ u8 ie_info[];
} __packed;
/* WMI_PXMT_RANGE_CFG_CMDID */
@@ -850,7 +850,7 @@ struct wmi_pcp_start_cmd {
struct wmi_sw_tx_req_cmd {
u8 dst_mac[WMI_MAC_LEN];
__le16 len;
- u8 payload[0];
+ u8 payload[];
} __packed;
/* WMI_SW_TX_REQ_EXT_CMDID */
@@ -861,7 +861,7 @@ struct wmi_sw_tx_req_ext_cmd {
/* Channel to use, 0xFF for currently active channel */
u8 channel;
u8 reserved[5];
- u8 payload[0];
+ u8 payload[];
} __packed;
/* WMI_VRING_SWITCH_TIMING_CONFIG_CMDID */
@@ -1423,7 +1423,7 @@ struct wmi_rf_xpm_write_cmd {
u8 verify;
u8 reserved1[3];
/* actual size=num_bytes */
- u8 data_bytes[0];
+ u8 data_bytes[];
} __packed;
/* Possible modes for temperature measurement */
@@ -1572,7 +1572,7 @@ struct wmi_tof_session_start_cmd {
u8 aoa_type;
__le16 num_of_dest;
u8 reserved[4];
- struct wmi_ftm_dest_info ftm_dest_info[0];
+ struct wmi_ftm_dest_info ftm_dest_info[];
} __packed;
/* WMI_TOF_CFG_RESPONDER_CMDID */
@@ -1766,7 +1766,7 @@ struct wmi_internal_fw_ioctl_cmd {
/* payload max size is WMI_MAX_IOCTL_PAYLOAD_SIZE
* Must be the last member of the struct
*/
- __le32 payload[0];
+ __le32 payload[];
} __packed;
/* WMI_INTERNAL_FW_IOCTL_EVENTID */
@@ -1778,7 +1778,7 @@ struct wmi_internal_fw_ioctl_event {
/* payload max size is WMI_MAX_IOCTL_REPLY_PAYLOAD_SIZE
* Must be the last member of the struct
*/
- __le32 payload[0];
+ __le32 payload[];
} __packed;
/* WMI_INTERNAL_FW_EVENT_EVENTID */
@@ -1788,7 +1788,7 @@ struct wmi_internal_fw_event_event {
/* payload max size is WMI_MAX_INTERNAL_EVENT_PAYLOAD_SIZE
* Must be the last member of the struct
*/
- __le32 payload[0];
+ __le32 payload[];
} __packed;
/* WMI_SET_VRING_PRIORITY_WEIGHT_CMDID */
@@ -1818,7 +1818,7 @@ struct wmi_set_vring_priority_cmd {
*/
u8 num_of_vrings;
u8 reserved[3];
- struct wmi_vring_priority vring_priority[0];
+ struct wmi_vring_priority vring_priority[];
} __packed;
/* WMI_BF_CONTROL_CMDID - deprecated */
@@ -1910,7 +1910,7 @@ struct wmi_bf_control_ex_cmd {
u8 each_mcs_cfg_size;
u8 reserved1;
/* Configuration for each MCS */
- struct wmi_bf_control_ex_mcs each_mcs_cfg[0];
+ struct wmi_bf_control_ex_mcs each_mcs_cfg[];
} __packed;
/* WMI_LINK_STATS_CMD */
@@ -2192,7 +2192,7 @@ struct wmi_fw_ver_event {
/* FW capabilities info
* Must be the last member of the struct
*/
- __le32 fw_capabilities[0];
+ __le32 fw_capabilities[];
} __packed;
/* WMI_GET_RF_STATUS_EVENTID */
@@ -2270,7 +2270,7 @@ struct wmi_mac_addr_resp_event {
struct wmi_eapol_rx_event {
u8 src_mac[WMI_MAC_LEN];
__le16 eapol_len;
- u8 eapol[0];
+ u8 eapol[];
} __packed;
/* WMI_READY_EVENTID */
@@ -2343,7 +2343,7 @@ struct wmi_connect_event {
u8 aid;
u8 reserved2[2];
/* not in use */
- u8 assoc_info[0];
+ u8 assoc_info[];
} __packed;
/* disconnect_reason */
@@ -2376,7 +2376,7 @@ struct wmi_disconnect_event {
/* last assoc req may passed to host - not in used */
u8 assoc_resp_len;
/* last assoc req may passed to host - not in used */
- u8 assoc_info[0];
+ u8 assoc_info[];
} __packed;
/* WMI_SCAN_COMPLETE_EVENTID */
@@ -2400,7 +2400,7 @@ struct wmi_ft_auth_status_event {
u8 reserved[3];
u8 mac_addr[WMI_MAC_LEN];
__le16 ie_len;
- u8 ie_info[0];
+ u8 ie_info[];
} __packed;
/* WMI_FT_REASSOC_STATUS_EVENTID */
@@ -2418,7 +2418,7 @@ struct wmi_ft_reassoc_status_event {
__le16 reassoc_req_ie_len;
__le16 reassoc_resp_ie_len;
u8 reserved[4];
- u8 ie_info[0];
+ u8 ie_info[];
} __packed;
/* wmi_rx_mgmt_info */
@@ -2461,7 +2461,7 @@ struct wmi_stop_sched_scan_event {
struct wmi_sched_scan_result_event {
struct wmi_rx_mgmt_info info;
- u8 payload[0];
+ u8 payload[];
} __packed;
/* WMI_ACS_PASSIVE_SCAN_COMPLETE_EVENT */
@@ -2492,7 +2492,7 @@ struct wmi_acs_passive_scan_complete_event {
__le16 filled;
u8 num_scanned_channels;
u8 reserved;
- struct scan_acs_info scan_info_list[0];
+ struct scan_acs_info scan_info_list[];
} __packed;
/* WMI_BA_STATUS_EVENTID */
@@ -2751,7 +2751,7 @@ struct wmi_rf_xpm_read_result_event {
u8 status;
u8 reserved[3];
/* requested num_bytes of data */
- u8 data_bytes[0];
+ u8 data_bytes[];
} __packed;
/* EVENT: WMI_RF_XPM_WRITE_RESULT_EVENTID */
@@ -2769,7 +2769,7 @@ struct wmi_tx_mgmt_packet_event {
/* WMI_RX_MGMT_PACKET_EVENTID */
struct wmi_rx_mgmt_packet_event {
struct wmi_rx_mgmt_info info;
- u8 payload[0];
+ u8 payload[];
} __packed;
/* WMI_ECHO_RSP_EVENTID */
@@ -2969,7 +2969,7 @@ struct wmi_rs_cfg_ex_cmd {
u8 each_mcs_cfg_size;
u8 reserved[3];
/* Configuration for each MCS */
- struct wmi_rs_cfg_ex_mcs each_mcs_cfg[0];
+ struct wmi_rs_cfg_ex_mcs each_mcs_cfg[];
} __packed;
/* WMI_RS_CFG_EX_EVENTID */
@@ -3178,7 +3178,7 @@ struct wmi_get_detailed_rs_res_ex_event {
u8 each_mcs_results_size;
u8 reserved1[3];
/* Results for each MCS */
- struct wmi_rs_results_ex_mcs each_mcs_results[0];
+ struct wmi_rs_results_ex_mcs each_mcs_results[];
} __packed;
/* BRP antenna limit mode */
@@ -3320,7 +3320,7 @@ struct wmi_set_link_monitor_cmd {
u8 rssi_hyst;
u8 reserved[12];
u8 rssi_thresholds_list_size;
- s8 rssi_thresholds_list[0];
+ s8 rssi_thresholds_list[];
} __packed;
/* wmi_link_monitor_event_type */
@@ -3637,7 +3637,7 @@ struct wmi_tof_ftm_per_dest_res_event {
/* Measurments are from RFs, defined by the mask */
__le32 meas_rf_mask;
u8 reserved0[3];
- struct wmi_responder_ftm_res responder_ftm_res[0];
+ struct wmi_responder_ftm_res responder_ftm_res[];
} __packed;
/* WMI_TOF_CFG_RESPONDER_EVENTID */
@@ -3669,7 +3669,7 @@ struct wmi_tof_channel_info_event {
/* data report length */
u8 len;
/* data report payload */
- u8 report[0];
+ u8 report[];
} __packed;
/* WMI_TOF_SET_TX_RX_OFFSET_EVENTID */
@@ -4085,7 +4085,7 @@ struct wmi_link_stats_event {
u8 has_next;
u8 reserved[5];
/* a stream of wmi_link_stats_record_s */
- u8 payload[0];
+ u8 payload[];
} __packed;
/* WMI_LINK_STATS_EVENT */
@@ -4094,7 +4094,7 @@ struct wmi_link_stats_record {
u8 record_type_id;
u8 reserved;
__le16 record_size;
- u8 record[0];
+ u8 record[];
} __packed;
/* WMI_LINK_STATS_TYPE_BASIC */
--
2.25.0
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