ath6kl: wmi: fix an error code in ath6kl_wmi_sync_point()

This error path is unlikely because of it checked for NULL and
returned -ENOMEM earlier in the function.  But it should return
an error code here as well if we ever do hit it because of a
race condition or something.

Fixes: bdcd81707973 ("Add ath6kl cleaned up driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210813113438.GB30697@kili

diff --git a/drivers/net/wireless/ath/ath6kl/wmi.c b/drivers/net/wireless/ath/ath6kl/wmi.c
index b137e7f..bd1ef63 100644 (file)
--- a/drivers/net/wireless/ath/ath6kl/wmi.c
+++ b/drivers/net/wireless/ath/ath6kl/wmi.c
@@ -2504,8 +2504,10 @@ static int ath6kl_wmi_sync_point(struct wmi *wmi, u8 if_idx)
                goto free_data_skb;
 
        for (index = 0; index < num_pri_streams; index++) {
-               if (WARN_ON(!data_sync_bufs[index].skb))
+               if (WARN_ON(!data_sync_bufs[index].skb)) {
+                       ret = -ENOMEM;
                        goto free_data_skb;
+               }
 
                ep_id = ath6kl_ac2_endpoint_id(wmi->parent_dev,
                                               data_sync_bufs[index].