wifi: iwlwifi: Avoid disabling GCC specific flag with clang

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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: 4eca8cbf7b ("wifi: iwlwifi: suppress printf warnings in tracing")
Link: https://github.com/ClangBuiltLinux/linux/issues/1818
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20230315-iwlwifi-fix-pragma-v1-1-ad23f92c4739@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

...

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Nathan Chancellor 2023-03-15 20:28:29 -07:00 • committed by Johannes Berg

parent 4eca8cbf7b

commit 499183cc3b

1 changed files with 2 additions and 0 deletions

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drivers/net/wireless/intel/iwlwifi/iwl-devtrace.c

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