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Commit 9603ff50 authored by Xiaochen Wang's avatar Xiaochen Wang Committed by Greg Kroah-Hartman
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staging: rtl8192e use kmemdup and check its return value 



use kmemdup instead of kmalloc and memcpy,
and check its return value

Signed-off-by: default avatarXiaochen Wang <wangxiaochen0@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 0875abf8

drivers/staging/rtl8192e/ieee80211/ieee80211_softmac.c

+3 −2
Original line number Diff line number Diff line
@@ -1564,8 +1564,9 @@ 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;

		}

	}