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authorTomi Valkeinen <[email protected]>2021-01-18 08:14:46 +0000
committerMauro Carvalho Chehab <[email protected]>2021-02-06 07:38:06 +0000
commite88ccf09e79cf33cac40316ba69c820d9eebc82b (patch)
tree1cb9fba21c401a1e237f8cfb31cf8716ad3f181c
parentmedia: staging/intel-ipu3: Do not zero reserved fields (diff)
downloadkernel-e88ccf09e79cf33cac40316ba69c820d9eebc82b.tar.gz
kernel-e88ccf09e79cf33cac40316ba69c820d9eebc82b.zip
media: i2c: max9286: fix access to unallocated memory
The asd allocated with v4l2_async_notifier_add_fwnode_subdev() must be of size max9286_asd, otherwise access to max9286_asd->source will go to unallocated memory. Fixes: 86d37bf31af6 ("media: i2c: max9286: Allocate v4l2_async_subdev dynamically") Signed-off-by: Tomi Valkeinen <[email protected]> Cc: [email protected] # v5.10+ Reviewed-by: Laurent Pinchart <[email protected]> Reviewed-by: Kieran Bingham <[email protected]> Tested-by: Kieran Bingham <[email protected]> Signed-off-by: Sakari Ailus <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
-rw-r--r--drivers/media/i2c/max9286.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/i2c/max9286.c b/drivers/media/i2c/max9286.c
index c82c1493e099..b1e2476d3c9e 100644
--- a/drivers/media/i2c/max9286.c
+++ b/drivers/media/i2c/max9286.c
@@ -580,7 +580,7 @@ static int max9286_v4l2_notifier_register(struct max9286_priv *priv)
asd = v4l2_async_notifier_add_fwnode_subdev(&priv->notifier,
source->fwnode,
- sizeof(*asd));
+ sizeof(struct max9286_asd));
if (IS_ERR(asd)) {
dev_err(dev, "Failed to add subdev for source %u: %ld",
i, PTR_ERR(asd));