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Date: Wed, 08 Dec 2021 18:40:08 +0200
From: Kalle Valo <kvalo@...nel.org>
To: Jakub Kicinski <kuba@...nel.org>
Cc: netdev@...r.kernel.org, linux-wireless@...r.kernel.org,
Luciano Coelho <luca@...lho.fi>,
Loic Poulain <loic.poulain@...aro.org>
Subject: Re: pull-request: wireless-drivers-next-2021-12-07
Kalle Valo <kvalo@...nel.org> writes:
>> For the code we merge directly we try to make sure there are no new
>> warnings. I realize it's quite a bit of work for larger trees unless
>> you have the infra so not a hard requirement (for you).
>
> Yeah, at the moment I really would not be able to catch W=1 or sparse
> warnings :/ And fixing them afterwards is just too slow. But if we would
> be able to fix all the warnings in drivers/net/wireless then it would be
> easy for me to enable W=1 and C=1 in my own build tests.
Actually for me to enable W=1 doesn't look so bad, the list is below.
Anyone want to fix these? Looks like roughly half of them is the
gnu_printf warning.
In function 'init_startup_params',
inlined from 'ray_init' at drivers/net/wireless/ray_cs.c:500:2:
drivers/net/wireless/ray_cs.c:622:17: warning: 'strncpy' specified bound 32 equals destination size [-Wstringop-truncation]
622 | strncpy(local->sparm.b4.a_current_ess_id, essid, ESSID_SIZE);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/intel/ipw2x00/ipw2100.c:6533: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Initialize the ipw2100 driver/module
drivers/net/wireless/intel/ipw2x00/ipw2100.c:6565: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* Cleanup ipw2100 driver registration
In function 'prism2_ioctl_get_encryption',
inlined from 'prism2_ioctl_priv_hostapd' at drivers/net/wireless/intersil/hostap/hostap_ioctl.c:3801:9:
drivers/net/wireless/intersil/hostap/hostap_ioctl.c:3599:17: warning: 'strncpy' specified bound 16 equals destination size [-Wstringop-truncation]
3599 | strncpy(param->u.crypt.alg, (*crypt)->ops->name,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
3600 | HOSTAP_CRYPT_ALG_NAME_LEN);
| ~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/intel/iwlwifi/mvm/ops.c:270: warning: Function parameter or member 'min_size' not described in 'iwl_rx_handlers'
drivers/net/wireless/mediatek/mt76/mt7915/mcu.c:2392:5: warning: no previous prototype for 'mt7915_mcu_set_fixed_rate' [-Wmissing-prototypes]
2392 | int mt7915_mcu_set_fixed_rate(struct mt7915_dev *dev,
| ^~~~~~~~~~~~~~~~~~~~~~~~~
In file included from ./include/trace/define_trace.h:102,
from drivers/net/wireless/broadcom/brcm80211/brcmfmac/tracepoint.h:137,
from drivers/net/wireless/broadcom/brcm80211/brcmfmac/tracepoint.c:12:
./drivers/net/wireless/broadcom/brcm80211/brcmfmac/./tracepoint.h: In function 'trace_event_raw_event_brcmf_err':
./include/trace/trace_events.h:727:16: warning: function 'trace_event_raw_event_brcmf_err' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
727 | struct trace_event_raw_##call *entry; \
| ^~~~~~~~~~~~~~~~
./include/trace/trace_events.h:75:9: note: in expansion of macro 'DECLARE_EVENT_CLASS'
75 | DECLARE_EVENT_CLASS(name, \
| ^~~~~~~~~~~~~~~~~~~
./drivers/net/wireless/broadcom/brcm80211/brcmfmac/./tracepoint.h:31:1: note: in expansion of macro 'TRACE_EVENT'
31 | TRACE_EVENT(brcmf_err,
| ^~~~~~~~~~~
./drivers/net/wireless/broadcom/brcm80211/brcmfmac/./tracepoint.h: In function 'trace_event_raw_event_brcmf_dbg':
./include/trace/trace_events.h:727:16: warning: function 'trace_event_raw_event_brcmf_dbg' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
727 | struct trace_event_raw_##call *entry; \
| ^~~~~~~~~~~~~~~~
./include/trace/trace_events.h:75:9: note: in expansion of macro 'DECLARE_EVENT_CLASS'
75 | DECLARE_EVENT_CLASS(name, \
| ^~~~~~~~~~~~~~~~~~~
./drivers/net/wireless/broadcom/brcm80211/brcmfmac/./tracepoint.h:47:1: note: in expansion of macro 'TRACE_EVENT'
47 | TRACE_EVENT(brcmf_dbg,
| ^~~~~~~~~~~
In file included from ./include/trace/define_trace.h:103,
from drivers/net/wireless/broadcom/brcm80211/brcmfmac/tracepoint.h:137,
from drivers/net/wireless/broadcom/brcm80211/brcmfmac/tracepoint.c:12:
./drivers/net/wireless/broadcom/brcm80211/brcmfmac/./tracepoint.h: In function 'perf_trace_brcmf_err':
./include/trace/perf.h:41:16: warning: function 'perf_trace_brcmf_err' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
41 | struct hlist_head *head; \
| ^~~~~~~~~~
./include/trace/trace_events.h:75:9: note: in expansion of macro 'DECLARE_EVENT_CLASS'
75 | DECLARE_EVENT_CLASS(name, \
| ^~~~~~~~~~~~~~~~~~~
./drivers/net/wireless/broadcom/brcm80211/brcmfmac/./tracepoint.h:31:1: note: in expansion of macro 'TRACE_EVENT'
31 | TRACE_EVENT(brcmf_err,
| ^~~~~~~~~~~
./drivers/net/wireless/broadcom/brcm80211/brcmfmac/./tracepoint.h: In function 'perf_trace_brcmf_dbg':
./include/trace/perf.h:41:16: warning: function 'perf_trace_brcmf_dbg' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
41 | struct hlist_head *head; \
| ^~~~~~~~~~
./include/trace/trace_events.h:75:9: note: in expansion of macro 'DECLARE_EVENT_CLASS'
75 | DECLARE_EVENT_CLASS(name, \
| ^~~~~~~~~~~~~~~~~~~
./drivers/net/wireless/broadcom/brcm80211/brcmfmac/./tracepoint.h:47:1: note: in expansion of macro 'TRACE_EVENT'
47 | TRACE_EVENT(brcmf_dbg,
| ^~~~~~~~~~~
drivers/net/wireless/mediatek/mt76/debugfs.c: In function 'mt76_rx_queues_read':
drivers/net/wireless/mediatek/mt76/debugfs.c:77:16: warning: variable 'queued' set but not used [-Wunused-but-set-variable]
77 | int i, queued;
| ^~~~~~
In file included from drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c:14:
drivers/net/wireless/intel/iwlwifi/mvm/debugfs.h:39:37: warning: 'iwl_dbgfs_dbg_time_point_ops' defined but not used [-Wunused-const-variable=]
39 | static const struct file_operations iwl_dbgfs_##name##_ops = { \
| ^~~~~~~~~~
drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c:1548:9: note: in expansion of macro '_MVM_DEBUGFS_WRITE_FILE_OPS'
1548 | _MVM_DEBUGFS_WRITE_FILE_OPS(name, bufsz, struct iwl_mvm)
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c:1867:1: note: in expansion of macro 'MVM_DEBUGFS_WRITE_FILE_OPS'
1867 | MVM_DEBUGFS_WRITE_FILE_OPS(dbg_time_point, 64);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/wireless/intel/iwlwifi/mvm/rfi.c:11: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst
* DDR needs frequency in units of 16.666MHz, so provide FW with the
In file included from ./include/trace/define_trace.h:102,
from drivers/net/wireless/broadcom/brcm80211/brcmsmac/brcms_trace_brcmsmac_msg.h:86,
from drivers/net/wireless/broadcom/brcm80211/brcmsmac/brcms_trace_events.h:38,
from drivers/net/wireless/broadcom/brcm80211/brcmsmac/brcms_trace_events.c:22:
./drivers/net/wireless/broadcom/brcm80211/brcmsmac/./brcms_trace_brcmsmac_msg.h: In function 'trace_event_raw_event_brcms_dbg':
./include/trace/trace_events.h:727:16: warning: function 'trace_event_raw_event_brcms_dbg' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
727 | struct trace_event_raw_##call *entry; \
| ^~~~~~~~~~~~~~~~
./include/trace/trace_events.h:75:9: note: in expansion of macro 'DECLARE_EVENT_CLASS'
75 | DECLARE_EVENT_CLASS(name, \
| ^~~~~~~~~~~~~~~~~~~
./drivers/net/wireless/broadcom/brcm80211/brcmsmac/./brcms_trace_brcmsmac_msg.h:61:1: note: in expansion of macro 'TRACE_EVENT'
61 | TRACE_EVENT(brcms_dbg,
| ^~~~~~~~~~~
In file included from ./include/trace/define_trace.h:103,
from drivers/net/wireless/broadcom/brcm80211/brcmsmac/brcms_trace_brcmsmac_msg.h:86,
from drivers/net/wireless/broadcom/brcm80211/brcmsmac/brcms_trace_events.h:38,
from drivers/net/wireless/broadcom/brcm80211/brcmsmac/brcms_trace_events.c:22:
./drivers/net/wireless/broadcom/brcm80211/brcmsmac/./brcms_trace_brcmsmac_msg.h: In function 'perf_trace_brcms_dbg':
./include/trace/perf.h:41:16: warning: function 'perf_trace_brcms_dbg' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
41 | struct hlist_head *head; \
| ^~~~~~~~~~
./include/trace/trace_events.h:75:9: note: in expansion of macro 'DECLARE_EVENT_CLASS'
75 | DECLARE_EVENT_CLASS(name, \
| ^~~~~~~~~~~~~~~~~~~
./drivers/net/wireless/broadcom/brcm80211/brcmsmac/./brcms_trace_brcmsmac_msg.h:61:1: note: in expansion of macro 'TRACE_EVENT'
61 | TRACE_EVENT(brcms_dbg,
| ^~~~~~~~~~~
drivers/net/wireless/marvell/mwifiex/pcie.c: In function 'mwifiex_pm_wakeup_card':
drivers/net/wireless/marvell/mwifiex/pcie.c:659:13: warning: variable 'retval' set but not used [-Wunused-but-set-variable]
659 | int retval;
| ^~~~~~
In file included from ./include/trace/define_trace.h:102,
from drivers/net/wireless/intel/iwlwifi/iwl-devtrace-msg.h:75,
from drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h:91,
from drivers/net/wireless/intel/iwlwifi/iwl-devtrace.c:15:
drivers/net/wireless/intel/iwlwifi/./iwl-devtrace-msg.h: In function 'trace_event_raw_event_iwlwifi_dbg':
./include/trace/trace_events.h:727:16: warning: function 'trace_event_raw_event_iwlwifi_dbg' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
727 | struct trace_event_raw_##call *entry; \
| ^~~~~~~~~~~~~~~~
./include/trace/trace_events.h:75:9: note: in expansion of macro 'DECLARE_EVENT_CLASS'
75 | DECLARE_EVENT_CLASS(name, \
| ^~~~~~~~~~~~~~~~~~~
drivers/net/wireless/intel/iwlwifi/./iwl-devtrace-msg.h:51:1: note: in expansion of macro 'TRACE_EVENT'
51 | TRACE_EVENT(iwlwifi_dbg,
| ^~~~~~~~~~~
In file included from ./include/trace/define_trace.h:103,
from drivers/net/wireless/intel/iwlwifi/iwl-devtrace-msg.h:75,
from drivers/net/wireless/intel/iwlwifi/iwl-devtrace.h:91,
from drivers/net/wireless/intel/iwlwifi/iwl-devtrace.c:15:
drivers/net/wireless/intel/iwlwifi/./iwl-devtrace-msg.h: In function 'perf_trace_iwlwifi_dbg':
./include/trace/perf.h:41:16: warning: function 'perf_trace_iwlwifi_dbg' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format]
41 | struct hlist_head *head; \
| ^~~~~~~~~~
./include/trace/trace_events.h:75:9: note: in expansion of macro 'DECLARE_EVENT_CLASS'
75 | DECLARE_EVENT_CLASS(name, \
| ^~~~~~~~~~~~~~~~~~~
drivers/net/wireless/intel/iwlwifi/./iwl-devtrace-msg.h:51:1: note: in expansion of macro 'TRACE_EVENT'
51 | TRACE_EVENT(iwlwifi_dbg,
| ^~~~~~~~~~~
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