wifi: wfx: Remove some dead code

wait_for_completion_timeout() can not return a <0 value.
So simplify the logic and remove dead code.

-ERESTARTSYS can not be returned by do_wait_for_common() for tasks with
TASK_UNINTERRUPTIBLE, which is the case for wait_for_completion_timeout()

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/809c4a645c8d1306c0d256345515865c40ec731c.1676464422.git.christophe.jaillet@wanadoo.fr

diff --git a/drivers/net/wireless/silabs/wfx/main.c b/drivers/net/wireless/silabs/wfx/main.c
index 6b9864e478ac850cc96ef4f86407bc0892d9f94f..0b50f7058bbbc5daa93e1a1a33cae1ab5045fc0c 100644 (file)
--- a/drivers/net/wireless/silabs/wfx/main.c
+++ b/drivers/net/wireless/silabs/wfx/main.c
@@ -358,13 +358,9 @@ int wfx_probe(struct wfx_dev *wdev)
 
        wfx_bh_poll_irq(wdev);
        err = wait_for_completion_timeout(&wdev->firmware_ready, 1 * HZ);
-       if (err <= 0) {
-               if (err == 0) {
-                       dev_err(wdev->dev, "timeout while waiting for startup indication\n");
-                       err = -ETIMEDOUT;
-               } else if (err == -ERESTARTSYS) {
-                       dev_info(wdev->dev, "probe interrupted by user\n");
-               }
+       if (err == 0) {
+               dev_err(wdev->dev, "timeout while waiting for startup indication\n");
+               err = -ETIMEDOUT;
                goto bh_unregister;
        }