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asm-generic: fix ffs -Wshadow warning 

gcc -Wshadow warns about the ffs() definition that has the
same name as the global ffs() built-in:

include/asm-generic/bitops/builtin-ffs.h:13:28: warning: declaration of 'ffs' shadows a built-in function [-Wshadow]

This is annoying because 'make W=2' warns every time this
header gets included.

Change it to use a #define instead, making callers directly
reference the builtin.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
zero-sugar-mainline-defconfig
Arnd Bergmann 2020-10-21 17:19:09 +02:00
parent 80b4707a2f
commit 6f6573a404
1 changed files with 1 additions and 4 deletions
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5
include/asm-generic/bitops/builtin-ffs.h
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@ -10,9 +10,6 @@
* the libc and compiler builtin ffs routines, therefore
* differs in spirit from the above ffz (man ffs).
*/
static __always_inline int ffs(int x)
{
return __builtin_ffs(x);
}
#define ffs(x) __builtin_ffs(x)
#endif