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authorPhilipp Zabel <p.zabel@pengutronix.de>2017-10-17 13:05:11 +0200
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2017-10-27 16:15:36 +0200
commit9d39e46bdd9df945669a9039660a3194bdc8d0ac (patch)
tree2cba8f08f52a28b05fbac326b1c51f94e23f62bb /drivers/media/i2c/tc358743.c
parentcef6673440a29a9a2fd39a57d5ba28e6c68c7a76 (diff)
downloadlinux-9d39e46bdd9df945669a9039660a3194bdc8d0ac.tar.bz2
media: tc358743: validate lane count
The TC358743 does not support more than 4 data lanes. Check that the lane count is valid. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/i2c/tc358743.c')
-rw-r--r--drivers/media/i2c/tc358743.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/media/i2c/tc358743.c b/drivers/media/i2c/tc358743.c
index 0b65096613d9..d3cf016ad0a0 100644
--- a/drivers/media/i2c/tc358743.c
+++ b/drivers/media/i2c/tc358743.c
@@ -1941,6 +1941,11 @@ static int tc358743_probe_of(struct tc358743_state *state)
goto free_endpoint;
}
+ if (endpoint->bus.mipi_csi2.num_data_lanes > 4) {
+ dev_err(dev, "invalid number of lanes\n");
+ goto free_endpoint;
+ }
+
state->bus = endpoint->bus.mipi_csi2;
ret = clk_prepare_enable(refclk);