diff options
| author | Amitkumar Karwar | 2012-02-04 05:34:02 +0100 |
|---|---|---|
| committer | John W. Linville | 2012-02-06 17:34:02 +0100 |
| commit | 2da8cbf8a6b454296c9db7b57cac72d5a39e3aa7 (patch) | |
| tree | 6c936d599c04ebf8e4979162de896c6017d64a48 /drivers/net/wireless/mwifiex/init.c | |
| parent | ath9k: Fix kernel panic during driver initilization (diff) | |
| download | kernel-qcow2-linux-2da8cbf8a6b454296c9db7b57cac72d5a39e3aa7.tar.gz kernel-qcow2-linux-2da8cbf8a6b454296c9db7b57cac72d5a39e3aa7.tar.xz kernel-qcow2-linux-2da8cbf8a6b454296c9db7b57cac72d5a39e3aa7.zip | |
mwifiex: add NULL checks in driver unload path
If driver load is failed, sometimes few pointers may remain
uninitialized ex. priv->wdev, priv->netdev, adapter->sleep_cfm
This will cause NULL pointer dereferance while unloading the
driver.
Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Kiran Divekar <dkiran@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/mwifiex/init.c')
| -rw-r--r-- | drivers/net/wireless/mwifiex/init.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c index e05b417a3fae..1d0ec57a0143 100644 --- a/drivers/net/wireless/mwifiex/init.c +++ b/drivers/net/wireless/mwifiex/init.c @@ -382,7 +382,8 @@ mwifiex_free_adapter(struct mwifiex_adapter *adapter) adapter->if_ops.cleanup_if(adapter); - dev_kfree_skb_any(adapter->sleep_cfm); + if (adapter->sleep_cfm) + dev_kfree_skb_any(adapter->sleep_cfm); } /* |