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authorOliver Neukum <oliver@neukum.org>2008-05-15 21:49:16 +0200
committerJohn W. Linville <linville@tuxdriver.com>2008-05-20 17:55:29 -0400
commitea8ee240251cbac73b66d70d35eeabfbff86d3ce (patch)
tree8fa4954eedbd2f0a19fb2d0ebcee1cd4d3746823 /drivers/net/wireless
parent89fd2e282ad510f801c1f44a660086f9d5bdf088 (diff)
rtl8187: resource leak in error case
This fixes resource leaks in error cases due to urb submission failures. Signed-off-by: Oliver Neukum <oneukum@suse.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/rtl8187_dev.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/net/wireless/rtl8187_dev.c b/drivers/net/wireless/rtl8187_dev.c
index d5787b37e1f..9223ada5f00 100644
--- a/drivers/net/wireless/rtl8187_dev.c
+++ b/drivers/net/wireless/rtl8187_dev.c
@@ -92,6 +92,7 @@ static void rtl8187_iowrite_async(struct rtl8187_priv *priv, __le16 addr,
u8 data[4];
struct usb_ctrlrequest dr;
} *buf;
+ int rc;
buf = kmalloc(sizeof(*buf), GFP_ATOMIC);
if (!buf)
@@ -116,7 +117,11 @@ static void rtl8187_iowrite_async(struct rtl8187_priv *priv, __le16 addr,
usb_fill_control_urb(urb, priv->udev, usb_sndctrlpipe(priv->udev, 0),
(unsigned char *)dr, buf, len,
rtl8187_iowrite_async_cb, buf);
- usb_submit_urb(urb, GFP_ATOMIC);
+ rc = usb_submit_urb(urb, GFP_ATOMIC);
+ if (rc < 0) {
+ kfree(buf);
+ usb_free_urb(urb);
+ }
}
static inline void rtl818x_iowrite32_async(struct rtl8187_priv *priv,
@@ -169,6 +174,7 @@ static int rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb,
struct urb *urb;
__le16 rts_dur = 0;
u32 flags;
+ int rc;
urb = usb_alloc_urb(0, GFP_ATOMIC);
if (!urb) {
@@ -208,7 +214,11 @@ static int rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb,
info->dev = dev;
usb_fill_bulk_urb(urb, priv->udev, usb_sndbulkpipe(priv->udev, 2),
hdr, skb->len, rtl8187_tx_cb, skb);
- usb_submit_urb(urb, GFP_ATOMIC);
+ rc = usb_submit_urb(urb, GFP_ATOMIC);
+ if (rc < 0) {
+ usb_free_urb(urb);
+ kfree_skb(skb);
+ }
return 0;
}