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arch/frv/kernel/setup.c: use strncmp() instead of memcmp() 

'cmdline' is a NUL terminated string, when its length < 4, memcmp()
will cause memory access out of boundary.

So use strncmp() instead of memcmp().

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Chen Gang 2013-07-03 15:04:53 -07:00 committed by Linus Torvalds
parent 760033c45e
commit 98bd8d05ea
1 changed files with 1 additions and 1 deletions
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arch/frv/kernel/setup.c
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@ -735,7 +735,7 @@ static void __init parse_cmdline_early(char *cmdline)
/* "mem=XXX[kKmM]" sets SDRAM size to <mem>, overriding the value we worked
* out from the SDRAM controller mask register
*/
if (!memcmp(cmdline, "mem=", 4)) {
if (!strncmp(cmdline, "mem=", 4)) {
unsigned long long mem_size;
mem_size = memparse(cmdline + 4, &cmdline);