diff options
| author | Christoph Fritz <chf.fritz@googlemail.com> | 2011-05-08 22:50:09 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-05-10 15:54:50 -0400 |
| commit | b53575ecf939a4f752de87eabf1adbcfa4478a6c (patch) | |
| tree | 0e98918a3602d0abd1ff6bcc5dea9cef0763c99d /drivers/net/wireless/mwifiex/main.c | |
| parent | 3ed3f49473985718ce51f84d990ed5b8b6472598 (diff) | |
| download | op-kernel-dev-b53575ecf939a4f752de87eabf1adbcfa4478a6c.zip op-kernel-dev-b53575ecf939a4f752de87eabf1adbcfa4478a6c.tar.gz | |
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/main.c')
| -rw-r--r-- | drivers/net/wireless/mwifiex/main.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c index 38f912b..44957ca 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -69,7 +69,7 @@ static int mwifiex_register(void *card, struct mwifiex_if_ops *if_ops, adapter = kzalloc(sizeof(struct mwifiex_adapter), GFP_KERNEL); if (!adapter) - return -1; + return -ENOMEM; g_adapter = adapter; adapter->card = card; @@ -516,13 +516,13 @@ mwifiex_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) jiffies, priv->bss_index); if (priv->adapter->surprise_removed) { - kfree(skb); + kfree_skb(skb); priv->stats.tx_dropped++; return 0; } if (!skb->len || (skb->len > ETH_FRAME_LEN)) { dev_err(priv->adapter->dev, "Tx: bad skb len %d\n", skb->len); - kfree(skb); + kfree_skb(skb); priv->stats.tx_dropped++; return 0; } @@ -535,7 +535,7 @@ mwifiex_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) skb_realloc_headroom(skb, MWIFIEX_MIN_DATA_HEADER_LEN); if (unlikely(!new_skb)) { dev_err(priv->adapter->dev, "Tx: cannot alloca new_skb\n"); - kfree(skb); + kfree_skb(skb); priv->stats.tx_dropped++; return 0; } |
