mwl8k: fix configure_filter() memory leak on error
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>
diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 59d4915..59f9210 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -3157,8 +3157,10 @@
/* 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);