* [PATCH] lib: memscan() fixlet
@ 2021-06-05 22:19 Alexey Dobriyan
0 siblings, 0 replies; only message in thread
From: Alexey Dobriyan @ 2021-06-05 22:19 UTC (permalink / raw)
To: akpm; +Cc: linux-kernel
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.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
lib/string.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/lib/string.c
+++ b/lib/string.c
@@ -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--;
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2021-06-05 22:19 [PATCH] lib: memscan() fixlet Alexey Dobriyan
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