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[PATCH] libertas: fix use-before-check violation

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[PATCH] 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@xxxxxxxxxxxxxxxxxxxx>

Index: wireless-testing/drivers/net/wireless/libertas/scan.c
===================================================================
--- wireless-testing.orig/drivers/net/wireless/libertas/scan.c	2008-04-29 09:07:19.000000000 +0200
+++ wireless-testing/drivers/net/wireless/libertas/scan.c	2008-04-29 09:07:39.000000000 +0200
@@ -298,7 +298,8 @@ static int lbs_do_scan(struct lbs_privat
 	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);
--
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