From: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
commit f0b9d875faa4499afe3381404c3795e9da84bc00 upstream.
We need to release the tx_lock on the error path before returning.
Fixes: d1c015b4ef6f ("staging: wfx: rewrite wfx_hw_scan()")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Cc: stable <stable@xxxxxxxxxxxxxxx>
Reviewed-by: Jérôme Pouiller <jerome.pouiller@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20200512083656.GA251760@mwanda
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/wfx/scan.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/staging/wfx/scan.c
+++ b/drivers/staging/wfx/scan.c
@@ -57,8 +57,10 @@ static int send_scan_req(struct wfx_vif
wvif->scan_abort = false;
reinit_completion(&wvif->scan_complete);
timeout = hif_scan(wvif, req, start_idx, i - start_idx);
- if (timeout < 0)
+ if (timeout < 0) {
+ wfx_tx_unlock(wvif->wdev);
return timeout;
+ }
ret = wait_for_completion_timeout(&wvif->scan_complete, timeout);
if (req->channels[start_idx]->max_power != wvif->vif->bss_conf.txpower)
hif_set_output_power(wvif, wvif->vif->bss_conf.txpower);
