[PATCH] Fix memory leakage
Kalle Valo
kvalo at qca.qualcomm.com
Wed Jun 12 02:18:36 EDT 2013
Eugene Krasnikov <k.eugene.e at gmail.com> writes:
> Whenever skb is requested from mac80211 do not forget
> to free it.
>
> Signed-off-by: Eugene Krasnikov <k.eugene.e at gmail.com>
[...]
> @@ -371,12 +375,16 @@ static void wcn36xx_bss_info_changed(struct ieee80211_hw *hw,
>
> if (bss_conf->enable_beacon) {
> wcn->beacon_enable = true;
> - skb = ieee80211_beacon_get_tim(hw, vif, &tim_off,
> - &tim_len);
> wcn36xx_smd_config_bss(wcn, wcn->iftype,
> wcn->addresses[0].addr, false,
> wcn->beacon_interval);
> - wcn36xx_smd_send_beacon(wcn, skb, tim_off, 0);
> + skb = ieee80211_beacon_get_tim(hw, vif, &tim_off,
> + &tim_len);
> + if (skb) {
> + wcn36xx_smd_send_beacon(wcn, skb, tim_off, 0);
> + dev_kfree_skb(skb);
> + } else
> + wcn36xx_error("failed to alloc beacon skb");
If think it would be better to bail out from the function if skb is
null.
--
Kalle Valo
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