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mwl8k: fix configure_filter() memory leak on error

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If there was an error acquiring the firmware lock in
mwl8k_configure_filter(), we would end up leaking the multicast
command packet prepared by mwl8k_prepare_multicast().

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Lennert Buytenhek 2010-01-02 10:31:42 +01:00 committed by John W. Linville
parent 13bda12250
commit 90852f7aed
1 changed files with 3 additions and 1 deletions
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4
drivers/net/wireless/mwl8k.c
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@ -3157,8 +3157,10 @@ static void mwl8k_configure_filter(struct ieee80211_hw *hw,
/* Clear unsupported feature flags */
*total_flags &= FIF_ALLMULTI | FIF_BCN_PRBRESP_PROMISC;
if (mwl8k_fw_lock(hw))
if (mwl8k_fw_lock(hw)) {
kfree(cmd);
return;
}
if (priv->sniffer_enabled) {
mwl8k_enable_sniffer(hw, 0);