[PATCH] Staging: Check kmalloc return value before use the buffer in ieee80211_softmac.c
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From: wzt.wzt on 5 May 2010 02:50 Check kmalloc return value before use the buffer. Signed-off-by: Zhitong Wang <zhitong.wangzt(a)alibaba-inc.com> --- .../staging/rtl8192u/ieee80211/ieee80211_softmac.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c index 27d9257..8718ac9 100644 --- a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c +++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c @@ -1579,6 +1579,8 @@ static inline u16 auth_parse(struct sk_buff *skb, u8** challenge, int *chlen) if(*(t++) == MFIE_TYPE_CHALLENGE){ *chlen = *(t++); *challenge = (u8*)kmalloc(*chlen, GFP_ATOMIC); + if (!*challenge) + return -ENOMEM; memcpy(*challenge, t, *chlen); } } -- 1.6.5.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |