staging: wfx: unlock on error path

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 <[email protected]>

---
From static analysis. Not tested.

 drivers/staging/wfx/scan.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

drivers/staging/wfx/scan.c +3 -2

index 76761e4960dd7..eff1be9fb28f8 100644
@@ -57,8 +57,10 @@ static int send_scan_req(struct wfx_vif *wvif,
        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);
--

2.26.2