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media: tc358743: Fix error return code in tc358743_probe_of()

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[ Upstream commit a6b1e7093f0a099571fc8836ab4a589633f956a8 ]

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: 2561482468 ("[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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Zhen Lei 2021-05-15 08:58:30 +02:00 committed by Greg Kroah-Hartman
parent 2bca3c0a95
commit ffc483de3e
1 changed files with 1 additions and 0 deletions
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drivers/media/i2c/tc358743.c
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@ -1973,6 +1973,7 @@ 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;
}