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* [PATCH 1/1] media: tc358743: Fix error return code in tc358743_probe_of()
@ 2021-05-15  6:58 Zhen Lei
  0 siblings, 0 replies; only message in thread
From: Zhen Lei @ 2021-05-15  6:58 UTC (permalink / raw
  To: Mats Randgaard, Mauro Carvalho Chehab, Hans Verkuil,
	Philipp Zabel, linux-media
  Cc: Zhen Lei

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>
---
 drivers/media/i2c/tc358743.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c
index 1b309bb743c7bd7..f21da11caf22411 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;
 	}
 
-- 
2.26.0.106.g9fadedd



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2021-05-15  6:58 [PATCH 1/1] media: tc358743: Fix error return code in tc358743_probe_of() Zhen Lei

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