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lib: memscan() fixlet

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Generic version doesn't trucate second argument to char.

Older brother memchr() does as do s390, sparc and i386 assembly versions.

Fortunately, no code passes c >= 256.

Link: https://lkml.kernel.org/r/YLv4cCf0t5UPdyK+@localhost.localdomain
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexey Dobriyan 2021-06-30 18:56:01 -07:00 committed by Linus Torvalds
parent 478485f6c0
commit 1a58be6277
1 changed files with 1 additions and 1 deletions
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2
lib/string.c
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@ -977,7 +977,7 @@ void *memscan(void *addr, int c, size_t size)
unsigned char *p = addr;
while (size) {
if (*p == c)
if (*p == (unsigned char)c)
return (void *)p;
p++;
size--;