staging: rtl8187se: check kmalloc return value

check kmalloc return value Signed-off-by: Xiaochen Wang <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
csanz · Mar 7, 2011 · 0875abf · 0875abf
1 parent 9025c0f
commit 0875abf
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8187se/ieee80211/ieee80211_softmac.c
@@ -1435,8 +1435,9 @@ static inline u16 auth_parse(struct sk_buff *skb, u8** challenge, int *chlen)
 
 		if(*(t++) == MFIE_TYPE_CHALLENGE){
 			*chlen = *(t++);
-			*challenge = kmalloc(*chlen, GFP_ATOMIC);
-			memcpy(*challenge, t, *chlen);
+			*challenge = kmemdup(t, *chlen, GFP_ATOMIC);
+			if (!*challenge)
+				return -ENOMEM;
 		}
 	}