From: Holger Schurig <hs4233@mail.mn-solutions.de>
Date: Tue, 29 Apr 2008 08:07:56 +0000 (+0200)
Subject: libertas: fix use-before-check violation
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c0d43990768b6ca83604ff4be80425b89d317e2f;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

libertas: fix use-before-check violation

According to Coverity (kudo's to Adrian Bunk), we had one use-before-check
bug in libe libertas driver. This patch fixes this issue.

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c
index e72c97a0d6c..7234669d05c 100644
--- a/drivers/net/wireless/libertas/scan.c
+++ b/drivers/net/wireless/libertas/scan.c
@@ -298,7 +298,8 @@ static int lbs_do_scan(struct lbs_private *priv, uint8_t bsstype,
 	uint8_t *tlv;	/* pointer into our current, growing TLV storage area */
 
 	lbs_deb_enter_args(LBS_DEB_SCAN, "bsstype %d, chanlist[].chan %d, chan_count %d",
-			   bsstype, chan_list[0].channumber, chan_count);
+		bsstype, chan_list ? chan_list[0].channumber : -1,
+		chan_count);
 
 	/* create the fixed part for scan command */
 	scan_cmd = kzalloc(MAX_SCAN_CFG_ALLOC, GFP_KERNEL);