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authorChristoph Fritz <chf.fritz@googlemail.com>2011-05-08 22:50:09 +0200
committerJohn W. Linville <linville@tuxdriver.com>2011-05-10 15:54:50 -0400
commitb53575ecf939a4f752de87eabf1adbcfa4478a6c (patch)
tree0e98918a3602d0abd1ff6bcc5dea9cef0763c99d /drivers/net/wireless/mwifiex/cfg80211.c
parent3ed3f49473985718ce51f84d990ed5b8b6472598 (diff)
downloadblackbird-op-linux-b53575ecf939a4f752de87eabf1adbcfa4478a6c.tar.gz
blackbird-op-linux-b53575ecf939a4f752de87eabf1adbcfa4478a6c.zip
mwifiex: fix null derefs, mem leaks and trivia
This patch: - adds kfree() where necessary - prevents potential null dereferences - makes use of kfree_skb() - replaces -1 for failed kzallocs with -ENOMEM Signed-off-by: Christoph Fritz <chf.fritz@googlemail.com> Reviewed-by: Kiran Divekar <dkiran@marvell.com> Tested-by: Amitkumar Karwar <akarwar@marvell.com> Acked-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/mwifiex/cfg80211.c')
-rw-r--r--drivers/net/wireless/mwifiex/cfg80211.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 0c0116374d7d..19be8870c683 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -1255,8 +1255,10 @@ int mwifiex_register_cfg80211(struct net_device *dev, u8 *mac,
wdev->wiphy =
wiphy_new(&mwifiex_cfg80211_ops,
sizeof(struct mwifiex_private *));
- if (!wdev->wiphy)
+ if (!wdev->wiphy) {
+ kfree(wdev);
return -ENOMEM;
+ }
wdev->iftype = NL80211_IFTYPE_STATION;
wdev->wiphy->max_scan_ssids = 10;
wdev->wiphy->interface_modes =
@@ -1296,6 +1298,7 @@ int mwifiex_register_cfg80211(struct net_device *dev, u8 *mac,
dev_err(priv->adapter->dev, "%s: registering cfg80211 device\n",
__func__);
wiphy_free(wdev->wiphy);
+ kfree(wdev);
return ret;
} else {
dev_dbg(priv->adapter->dev,
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