[PATCH] Staging: rtl8192u: Fix signedness bug in ieee80211_check_auth_response()

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function ieee80211_check_auth_response () unsigned errcode receive auth_parse()'s
errcode -ENOMEM.

Signed-off-by: Haowen Bai <baihaowen@xxxxxxxxx>
---
 drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
index 1a43979939a8..4d060c3ec077 100644
--- a/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
+++ b/drivers/staging/rtl8192u/ieee80211/ieee80211_softmac.c
@@ -1461,7 +1461,7 @@ void ieee80211_softmac_check_all_nets(struct ieee80211_device *ieee)
 	spin_unlock_irqrestore(&ieee->lock, flags);
 }
 
-static inline u16 auth_parse(struct sk_buff *skb, u8 **challenge, int *chlen)
+static inline s16 auth_parse(struct sk_buff *skb, u8 **challenge, int *chlen)
 {
 	struct ieee80211_authentication *a;
 	u8 *t;
@@ -1826,7 +1826,7 @@ static void ieee80211_check_auth_response(struct ieee80211_device *ieee,
 {
 	/* default support N mode, disable halfNmode */
 	bool bSupportNmode = true, bHalfSupportNmode = false;
-	u16 errcode;
+	s16 errcode;
 	u8 *challenge;
 	int chlen = 0;
 	u32 iotAction;
-- 
2.7.4





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