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authorZhen Lei <thunder.leizhen@huawei.com>2021-05-15 08:58:30 +0200
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>2021-06-02 13:31:39 +0200
commita6b1e7093f0a099571fc8836ab4a589633f956a8 (patch)
tree3240ad263f99f87aaa5d1fbdfb9ea10db98b1685 /drivers/media
parentd67fa04ce41f7b5d92563734d76c55a676846cc4 (diff)
downloadlinux-a6b1e7093f0a099571fc8836ab4a589633f956a8.tar.bz2
media: tc358743: Fix error return code in tc358743_probe_of()
When the CSI bps per lane is not in the valid range, an appropriate error code -EINVAL should be returned. However, we currently do not explicitly assign this error code to 'ret'. As a result, 0 was incorrectly returned. Fixes: 256148246852 ("[media] tc358743: support probe from device tree") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/i2c/tc358743.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c
index 1b309bb743c7..f21da11caf22 100644
--- a/drivers/media/i2c/tc358743.c
+++ b/drivers/media/i2c/tc358743.c
@@ -1974,6 +1974,7 @@ static int tc358743_probe_of(struct tc358743_state *state)
bps_pr_lane = 2 * endpoint.link_frequencies[0];
if (bps_pr_lane < 62500000U || bps_pr_lane > 1000000000U) {
dev_err(dev, "unsupported bps per lane: %u bps\n", bps_pr_lane);
+ ret = -EINVAL;
goto disable_clk;
}