From: Leo Kim <leo.kim@atmel.com>
Date: Mon, 22 Feb 2016 04:11:50 +0000 (+0900)
Subject: staging: wilc1000: removes potential null dereference
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=396fa30e4b320f235c462f9d1b1f9da87548667a;p=deliverable%2Flinux.git

staging: wilc1000: removes potential null dereference

This patch removes the error reported by smatch.
 - wilc_wfi_cfgoperations.c:674 scan() error:
   potential null dereference 'strHiddenNetwork.net_info'.  (kmalloc returns null)

Signed-off-by: Leo Kim <leo.kim@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
index 76f4375bd88d..8a3da2d71a24 100644
--- a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
+++ b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
@@ -668,6 +668,8 @@ static int scan(struct wiphy *wiphy, struct cfg80211_scan_request *request)
 				kmalloc_array(request->n_ssids,
 					      sizeof(struct hidden_network),
 					      GFP_KERNEL);
+			if (!strHiddenNetwork.net_info)
+				return -ENOMEM;
 			strHiddenNetwork.n_ssids = request->n_ssids;