diff mbox series

[next] wifi: iwlwifi: Avoid disabling GCC specific flag with clang

Message ID 20230315-iwlwifi-fix-pragma-v1-1-ad23f92c4739@kernel.org (mailing list archive)
State Awaiting Upstream
Delegated to: Netdev Maintainers
Headers show
Series [next] wifi: iwlwifi: Avoid disabling GCC specific flag with clang | expand

Checks

Context Check Description
netdev/tree_selection success Not a local patch

Commit Message

Nathan Chancellor March 16, 2023, 3:28 a.m. UTC
Clang errors:

  drivers/net/wireless/intel/iwlwifi/iwl-devtrace.c:15:32: error: unknown warning group '-Wsuggest-attribute=format', ignored [-Werror,-Wunknown-warning-option]
  #pragma GCC diagnostic ignored "-Wsuggest-attribute=format"
                                 ^
  1 error generated.

The warning being disabled by this pragma is GCC specific. Guard its use
with CONFIG_CC_IS_GCC so that it is not used with clang to clear up the
error.

Fixes: 4eca8cbf7ba8 ("wifi: iwlwifi: suppress printf warnings in tracing")
Link: https://github.com/ClangBuiltLinux/linux/issues/1818
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
---
 drivers/net/wireless/intel/iwlwifi/iwl-devtrace.c | 2 ++
 1 file changed, 2 insertions(+)


---
base-commit: 4eca8cbf7ba83c3291b5841905ce64584036b1ff
change-id: 20230315-iwlwifi-fix-pragma-bb4630518e88

Best regards,

Comments

Johannes Berg March 16, 2023, 7:52 a.m. UTC | #1
On Wed, 2023-03-15 at 20:28 -0700, Nathan Chancellor wrote:
> Clang errors:
> 
>   drivers/net/wireless/intel/iwlwifi/iwl-devtrace.c:15:32: error: unknown warning group '-Wsuggest-attribute=format', ignored [-Werror,-Wunknown-warning-option]
>   #pragma GCC diagnostic ignored "-Wsuggest-attribute=format"
>                                  ^
>   1 error generated.

Oops.

> The warning being disabled by this pragma is GCC specific. Guard its use
> with CONFIG_CC_IS_GCC so that it is not used with clang to clear up the
> error.
> 

Thanks.

johannes
diff mbox series

Patch

diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-devtrace.c b/drivers/net/wireless/intel/iwlwifi/iwl-devtrace.c
index c190ec5effa1..e46639b097f4 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-devtrace.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-devtrace.c
@@ -12,7 +12,9 @@ 
 #include "iwl-trans.h"
 
 #define CREATE_TRACE_POINTS
+#ifdef CONFIG_CC_IS_GCC
 #pragma GCC diagnostic ignored "-Wsuggest-attribute=format"
+#endif
 #include "iwl-devtrace.h"
 
 EXPORT_TRACEPOINT_SYMBOL(iwlwifi_dev_ucode_event);