950-0393-media-bcm2835-unicam-Correctly-handle-error-propagat.patch

From a9077829ddaaea3366c4ff9be8b98e7c85403a1c Mon Sep 17 00:00:00 2001
From: Naushir Patuck <naush@raspberrypi.com>
Date: Wed, 2 Dec 2020 15:22:23 +0000
Subject: [PATCH] media: bcm2835-unicam: Correctly handle error
 propagation for stream on

On a failure in start_streaming(), the error code would not propagate to
the calling function on all conditions. This would cause the userland
caller to not know of the failure.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
---
 drivers/media/platform/bcm2835/bcm2835-unicam.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

--- a/drivers/media/platform/bcm2835/bcm2835-unicam.c
+++ b/drivers/media/platform/bcm2835/bcm2835-unicam.c
@@ -1730,8 +1730,7 @@ err_disable_unicam:
 	unicam_disable(dev);
 	clk_disable_unprepare(dev->clock);
 err_vpu_clock:
-	ret = clk_set_min_rate(dev->vpu_clock, 0);
-	if (ret)
+	if (clk_set_min_rate(dev->vpu_clock, 0))
 		unicam_err(dev, "failed to reset the VPU clock\n");
 	clk_disable_unprepare(dev->vpu_clock);
 err_pm_put: