From: Alexey Dobriyan <adobriyan@gmail.com>
To: akpm@linux-foundation.org
Cc: linux-kernel@vger.kernel.org
Subject: [PATCH] lib: memscan() fixlet
Date: Sun, 6 Jun 2021 01:19:28 +0300 [thread overview]
Message-ID: <YLv4cCf0t5UPdyK+@localhost.localdomain> (raw)
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--;
reply other threads:[~2021-06-05 22:20 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
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