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net, wireless, mwifiex: Fix mem leak in mwifiex_update_curr_bss_params() 

If kmemdup() fails we leak the memory allocated to bss_desc.
This patch fixes the leak.
I also removed the pointless default assignment of 'NULL' to 'bss_desc'
while I was there anyway.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Jesper Juhl 2011-11-06 22:58:31 +01:00 committed by John W. Linville
parent 3b6ef6334f
commit db652e4b36
1 changed files with 2 additions and 1 deletions
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3
drivers/net/wireless/mwifiex/scan.c
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@ -1469,7 +1469,7 @@ mwifiex_update_curr_bss_params(struct mwifiex_private *priv, u8 *bssid,
s32 rssi, const u8 *ie_buf, size_t ie_len, s32 rssi, const u8 *ie_buf, size_t ie_len,
u16 beacon_period, u16 cap_info_bitmap, u8 band) u16 beacon_period, u16 cap_info_bitmap, u8 band)
{ {
struct mwifiex_bssdescriptor *bss_desc = NULL; struct mwifiex_bssdescriptor *bss_desc;
int ret; int ret;
unsigned long flags; unsigned long flags;
u8 *beacon_ie; u8 *beacon_ie;
@ -1484,6 +1484,7 @@ mwifiex_update_curr_bss_params(struct mwifiex_private *priv, u8 *bssid,
beacon_ie = kmemdup(ie_buf, ie_len, GFP_KERNEL); beacon_ie = kmemdup(ie_buf, ie_len, GFP_KERNEL);
if (!beacon_ie) { if (!beacon_ie) {
kfree(bss_desc);
dev_err(priv->adapter->dev, " failed to alloc beacon_ie\n"); dev_err(priv->adapter->dev, " failed to alloc beacon_ie\n");
return -ENOMEM; return -ENOMEM;
} }