1 From 29f208db181f1b557b7b55fae12a796b8669b004 Mon Sep 17 00:00:00 2001
2 From: Naushir Patuck <naush@raspberrypi.com>
3 Date: Wed, 2 Dec 2020 15:22:23 +0000
4 Subject: [PATCH] media: bcm2835-unicam: Correctly handle error
5 propagation for stream on
7 On a failure in start_streaming(), the error code would not propagate to
8 the calling function on all conditions. This would cause the userland
9 caller to not know of the failure.
11 Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
13 drivers/media/platform/bcm2835/bcm2835-unicam.c | 3 +--
14 1 file changed, 1 insertion(+), 2 deletions(-)
16 --- a/drivers/media/platform/bcm2835/bcm2835-unicam.c
17 +++ b/drivers/media/platform/bcm2835/bcm2835-unicam.c
18 @@ -1732,8 +1732,7 @@ err_disable_unicam:
20 clk_disable_unprepare(dev->clock);
22 - ret = clk_set_min_rate(dev->vpu_clock, 0);
24 + if (clk_set_min_rate(dev->vpu_clock, 0))
25 unicam_err(dev, "failed to reset the VPU clock\n");
26 clk_disable_unprepare(dev->vpu_clock);