ath10k: plug memory leak on beacon tx
If beacon tx command failed the wmi command buffer
was not freed. This led to OOM in the long run.
This became aparent when stress testing
multi-BSSID.
Reported-By: Tomasz Skapski <tomasz.skapski@tieto.com>
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c
index 8db9db2..f79f17c 100644
--- a/drivers/net/wireless/ath/ath10k/wmi.c
+++ b/drivers/net/wireless/ath/ath10k/wmi.c
@@ -3092,6 +3092,7 @@
{
struct wmi_bcn_tx_cmd *cmd;
struct sk_buff *skb;
+ int ret;
skb = ath10k_wmi_alloc_skb(sizeof(*cmd) + arg->bcn_len);
if (!skb)
@@ -3104,7 +3105,11 @@
cmd->hdr.bcn_len = __cpu_to_le32(arg->bcn_len);
memcpy(cmd->bcn, arg->bcn, arg->bcn_len);
- return ath10k_wmi_cmd_send_nowait(ar, skb, ar->wmi.cmd->bcn_tx_cmdid);
+ ret = ath10k_wmi_cmd_send_nowait(ar, skb, ar->wmi.cmd->bcn_tx_cmdid);
+ if (ret)
+ dev_kfree_skb(skb);
+
+ return ret;
}
static void ath10k_wmi_pdev_set_wmm_param(struct wmi_wmm_params *params,