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wifi: wl1251: fix memory leak in wl1251_tx_work

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[ Upstream commit a0f0dc96de03ffeefc2a177b7f8acde565cb77f4 ]

The skb dequeued from tx_queue is lost when wl1251_ps_elp_wakeup fails
with a -ETIMEDOUT error. Fix that by queueing the skb back to tx_queue.

Fixes: c5483b7193 ("wl12xx: check if elp wakeup failed")
Signed-off-by: Abdun Nihaal <abdun.nihaal@gmail.com>
Reviewed-by: Michael Nemanov <michael.nemanov@ti.com>
Link: https://patch.msgid.link/20250330104532.44935-1-abdun.nihaal@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Abdun Nihaal 2025-03-30 16:15:32 +05:30 • committed by Greg Kroah-Hartman
commit 13c9744c1b
1 changed files with 3 additions and 1 deletions
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4
drivers/net/wireless/ti/wl1251/tx.c
View file

@ -342,8 +342,10 @@ void wl1251_tx_work(struct work_struct *work)
while ((skb = skb_dequeue(&wl->tx_queue))) {
if (!woken_up) {
ret = wl1251_ps_elp_wakeup(wl);
if (ret < 0)
if (ret < 0) {
skb_queue_head(&wl->tx_queue, skb);
goto out;
}
woken_up = true;
}