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authorChen Gang <gang.chen@asianux.com>2013-06-07 10:08:36 +1000
committerStephen Rothwell <sfr@canb.auug.org.au>2013-06-17 18:17:49 +1000
commitf2e52c1b409f6d38ae6241e992d9bcc382588d9f (patch)
treedbf2caed80e6782fd2076bc9f619be05a540242f /arch
parentac32e395924d9265e3e36a11ff057ebd40b6ec6f (diff)
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/frv/kernel/setup.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/frv/kernel/setup.c b/arch/frv/kernel/setup.c
index f78f8cb44093..ae3a6706419b 100644
--- a/arch/frv/kernel/setup.c
+++ b/arch/frv/kernel/setup.c
@@ -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);