31 lines
1.1 KiB
Diff
31 lines
1.1 KiB
Diff
From: wzt.wzt@gmail.com <wzt.wzt@gmail.com>
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Date: Wed, 5 May 2010 14:56:52 +0800
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Subject: [PATCH 24/30] Staging: rtl8192u: Check kmalloc return value before use the buffer in ieee80211_softmac.c
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commit dde27e03cc964526531fdf2bd58c1e4ee4525074 upstream.
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Check kmalloc return value before use the buffer.
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Signed-off-by: Zhitong Wang <zhitong.wangzt@alibaba-inc.com>
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Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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---
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.../staging/rtl8192u/ieee80211/ieee80211_softmac.c | 2 ++
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1 files changed, 2 insertions(+), 0 deletions(-)
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diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
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index 148424a..e5e583e 100644
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--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
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+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
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@@ -1580,6 +1580,8 @@ static inline u16 auth_parse(struct sk_buff *skb, u8** challenge, int *chlen)
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if(*(t++) == MFIE_TYPE_CHALLENGE){
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*chlen = *(t++);
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*challenge = (u8*)kmalloc(*chlen, GFP_ATOMIC);
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+ if (!*challenge)
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+ return -ENOMEM;
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memcpy(*challenge, t, *chlen);
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}
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}
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--
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1.7.1
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