Nathan Chancellor <natechancellor@xxxxxxxxx> wrote:
> Clang warns that the address of a pointer will always evaluated as true
> in a boolean context:
>
> drivers/net/wireless/ath/ath5k/debug.c:1031:14: warning: address of
> array 'ah->sbands' will always evaluate to 'true'
> [-Wpointer-bool-conversion]
> BUG_ON(!ah->sbands);
> ~~~~~^~~~~~
> ./include/asm-generic/bug.h:61:45: note: expanded from macro 'BUG_ON'
> #define BUG_ON(condition) do { if (unlikely(condition)) BUG(); } while (0)
> ^~~~~~~~~
> ./include/linux/compiler.h:77:42: note: expanded from macro 'unlikely'
> # define unlikely(x) __builtin_expect(!!(x), 0)
> ^
> 1 warning generated.
>
> Given that this condition is always false because of the logical not,
> just remove it.
>
> Link: https://github.com/ClangBuiltLinux/linux/issues/130
> Signed-off-by: Nathan Chancellor <natechancellor@xxxxxxxxx>
Patch applied to wireless-drivers-next.git, thanks.
0891c7f4a253 ath5k: Remove unused BUG_ON
--
https://patchwork.kernel.org/patch/10610881/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
