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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2013-06-27 23:00:25 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2013-06-27 23:00:25 -0700
commit31881d74b6dd1a6c530cff61248def4f2da38bee (patch)
treebe62420cf39192074e13b25553d172b9d5e58a33 /net/core/utils.c
parent8855f30cd2b68012571932c7b01290c20be4508c (diff)
parent257867dc8d893690c175c1f717f91c3b6d44a63d (diff)
Merge branch 'for-next' of git://github.com/rydberg/linux into next
Pull in changes from Henrik: "a trivial MT documentation fix".
Diffstat (limited to 'net/core/utils.c')
-rw-r--r--net/core/utils.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/net/core/utils.c b/net/core/utils.c
index e3487e46193..3c7f5b51b97 100644
--- a/net/core/utils.c
+++ b/net/core/utils.c
@@ -17,6 +17,7 @@
#include <linux/module.h>
#include <linux/jiffies.h>
#include <linux/kernel.h>
+#include <linux/ctype.h>
#include <linux/inet.h>
#include <linux/mm.h>
#include <linux/net.h>
@@ -348,9 +349,7 @@ int mac_pton(const char *s, u8 *mac)
/* Don't dirty result unless string is valid MAC. */
for (i = 0; i < ETH_ALEN; i++) {
- if (!strchr("0123456789abcdefABCDEF", s[i * 3]))
- return 0;
- if (!strchr("0123456789abcdefABCDEF", s[i * 3 + 1]))
+ if (!isxdigit(s[i * 3]) || !isxdigit(s[i * 3 + 1]))
return 0;
if (i != ETH_ALEN - 1 && s[i * 3 + 2] != ':')
return 0;