From: Dan Carpenter <error27@gmail.com>
Date: Mon, 4 Oct 2010 12:31:46 +0000 (+0200)
Subject: ipw2200: check for allocation failures
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=2ee4e27cf25ab647137713ca16377d8d9e138ea2;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

ipw2200: check for allocation failures

If kzalloc() fails then return should return with -ENOMEM.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c
index cb2552a6777c..d04d76082777 100644
--- a/drivers/net/wireless/ipw2x00/ipw2200.c
+++ b/drivers/net/wireless/ipw2x00/ipw2200.c
@@ -11470,6 +11470,10 @@ static int ipw_net_init(struct net_device *dev)
 		bg_band->channels =
 			kzalloc(geo->bg_channels *
 				sizeof(struct ieee80211_channel), GFP_KERNEL);
+		if (!bg_band->channels) {
+			rc = -ENOMEM;
+			goto out;
+		}
 		/* translate geo->bg to bg_band.channels */
 		for (i = 0; i < geo->bg_channels; i++) {
 			bg_band->channels[i].band = IEEE80211_BAND_2GHZ;
@@ -11505,6 +11509,10 @@ static int ipw_net_init(struct net_device *dev)
 		a_band->channels =
 			kzalloc(geo->a_channels *
 				sizeof(struct ieee80211_channel), GFP_KERNEL);
+		if (!a_band->channels) {
+			rc = -ENOMEM;
+			goto out;
+		}
 		/* translate geo->bg to a_band.channels */
 		for (i = 0; i < geo->a_channels; i++) {
 			a_band->channels[i].band = IEEE80211_BAND_2GHZ;