Commit 1a58be62 authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by Linus Torvalds
Browse files

lib: memscan() fixlet 

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: default avatarAlexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 478485f6

lib/string.c

+1 −1
Original line number Diff line number Diff line
@@ -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--;