This is a note to let you know that I've just added the patch titled
media: hi846: Fix memleak in hi846_init_controls()
to the 6.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
media-hi846-fix-memleak-in-hi846_init_controls.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 670878c8cc831907dc25f2feec34138aec928461
Author: Wei Chen <harperchen1110@xxxxxxxxx>
Date: Mon Mar 27 11:58:09 2023 +0000
media: hi846: Fix memleak in hi846_init_controls()
[ Upstream commit 2649c1a20e8e399ee955d0e22192f9992662c3d2 ]
hi846_init_controls doesn't clean the allocated ctrl_hdlr
in case there is a failure, which causes memleak. Add
v4l2_ctrl_handler_free to free the resource properly.
Fixes: e8c0882685f9 ("media: i2c: add driver for the SK Hynix Hi-846 8M pixel camera")
Signed-off-by: Wei Chen <harperchen1110@xxxxxxxxx>
Reviewed-by: Martin Kepplinger <martin.kepplinger@xxxxxxx>
Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/media/i2c/hi846.c b/drivers/media/i2c/hi846.c
index 7c61873b71981..306dc35e925fd 100644
--- a/drivers/media/i2c/hi846.c
+++ b/drivers/media/i2c/hi846.c
@@ -1472,21 +1472,26 @@ static int hi846_init_controls(struct hi846 *hi846)
if (ctrl_hdlr->error) {
dev_err(&client->dev, "v4l ctrl handler error: %d\n",
ctrl_hdlr->error);
- return ctrl_hdlr->error;
+ ret = ctrl_hdlr->error;
+ goto error;
}
ret = v4l2_fwnode_device_parse(&client->dev, &props);
if (ret)
- return ret;
+ goto error;
ret = v4l2_ctrl_new_fwnode_properties(ctrl_hdlr, &hi846_ctrl_ops,
&props);
if (ret)
- return ret;
+ goto error;
hi846->sd.ctrl_handler = ctrl_hdlr;
return 0;
+
+error:
+ v4l2_ctrl_handler_free(ctrl_hdlr);
+ return ret;
}
static int hi846_set_video_mode(struct hi846 *hi846, int fps)
