linux-kernel - [PATCH RESEND][next] ixgbe: Fix fall-through warnings for Clang

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-ID: <20210305090000.GA138882@embeddedor>
Date:   Fri, 5 Mar 2021 03:00:00 -0600
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Jesse Brandeburg <jesse.brandeburg@...el.com>,
        Tony Nguyen <anthony.l.nguyen@...el.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        linux-hardening@...r.kernel.org
Subject: [PATCH RESEND][next] ixgbe: Fix fall-through warnings for Clang

In preparation to enable -Wimplicit-fallthrough for Clang, fix multiple
warnings by explicitly adding multiple break statements instead of just
letting the code fall through to the next case.

Link: https://github.com/KSPP/linux/issues/115
Signed-off-by: Gustavo A. R. Silva <gustavoars@...nel.org>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c  | 2 ++
 drivers/net/ethernet/intel/ixgbe/ixgbe_common.c | 1 +
 drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c    | 1 +
 drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c    | 1 +
 4 files changed, 5 insertions(+)

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
index 8d3798a32f0e..cdfff510a27b 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
@@ -1542,6 +1542,7 @@ s32 ixgbe_fdir_set_input_mask_82599(struct ixgbe_hw *hw,
 	switch (input_mask->formatted.vm_pool & 0x7F) {
 	case 0x0:
 		fdirm |= IXGBE_FDIRM_POOL;
+		break;
 	case 0x7F:
 		break;
 	default:
@@ -1557,6 +1558,7 @@ s32 ixgbe_fdir_set_input_mask_82599(struct ixgbe_hw *hw,
 			hw_dbg(hw, " Error on src/dst port mask\n");
 			return IXGBE_ERR_CONFIG;
 		}
+		break;
 	case IXGBE_ATR_L4TYPE_MASK:
 		break;
 	default:
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
index 62ddb452f862..8d5a01be1d99 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
@@ -93,6 +93,7 @@ bool ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw)
 		default:
 			break;
 		}
+		break;
 	default:
 		break;
 	}
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
index df389a11d3af..0218f6c9b925 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_lib.c
@@ -132,6 +132,7 @@ static void ixgbe_get_first_reg_idx(struct ixgbe_adapter *adapter, u8 tc,
 			else
 				*tx = (tc + 4) << 4;	/* 96, 112 */
 		}
+		break;
 	default:
 		break;
 	}
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
index 22a874eee2e8..23ddfd79fc8b 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
@@ -999,6 +999,7 @@ static int ixgbe_ptp_set_timestamp_mode(struct ixgbe_adapter *adapter,
 	switch (config->tx_type) {
 	case HWTSTAMP_TX_OFF:
 		tsync_tx_ctl = 0;
+		break;
 	case HWTSTAMP_TX_ON:
 		break;
 	default:
-- 
2.27.0