On Tuesday 12 May 2020 10:36:56 CEST Dan Carpenter wrote:
>
> 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>
> ---
> From static analysis. Not tested.
>
> drivers/staging/wfx/scan.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/staging/wfx/scan.c b/drivers/staging/wfx/scan.c
> index 76761e4960dd7..eff1be9fb28f8 100644
> --- 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,
> 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
>
>
Good catch!
Reviewed-by: Jérôme Pouiller <jerome.pouiller@xxxxxxxxxx>
--
Jérôme Pouiller
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