[PATCH next] media: xilinx-tpg: fix double put in xtpg_parse_of()
Laurent Pinchart
laurent.pinchart at ideasonboard.com
Mon Feb 24 01:21:40 PST 2025
Hi Hans,
On Mon, Feb 24, 2025 at 09:49:47AM +0100, Hans Verkuil wrote:
> On 05/11/2024 17:59, Laurent Pinchart wrote:
> > Hi Dan,
> >
> > Thank you for the patch.
> >
> > On Mon, Nov 04, 2024 at 08:16:19PM +0300, Dan Carpenter wrote:
> >> This loop was recently converted to use for_each_of_graph_port() which
> >> automatically does __cleanup__ on the "port" iterator variable. Delete
> >> the calls to of_node_put(port) to avoid a double put bug.
> >>
> >> Fixes: 393194cdf11e ("media: xilinx-tpg: use new of_graph functions")
> >> Signed-off-by: Dan Carpenter <dan.carpenter at linaro.org>
> >
> > Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
> >
> > The offending commit wasn't merged through the media tree, so we can't
> > easily merge the fix there either. I'm fine merging this fix through
> > Rob's tree.
>
> I don't see this patch merged anywhere. Should I just pick it up? I think
> it got lost in the noise.
>
> The commit 393194cdf11e is now available in our media tree, so it should
> be fine, I think, if I pick it up. It needs a CC to stable as well, right?
> I can add that.
Yes, I'd CC stable. Thank you for handling it.
> >> ---
> >> drivers/media/platform/xilinx/xilinx-tpg.c | 2 --
> >> 1 file changed, 2 deletions(-)
> >>
> >> diff --git a/drivers/media/platform/xilinx/xilinx-tpg.c b/drivers/media/platform/xilinx/xilinx-tpg.c
> >> index cb93711ea3e3..7deec6e37edc 100644
> >> --- a/drivers/media/platform/xilinx/xilinx-tpg.c
> >> +++ b/drivers/media/platform/xilinx/xilinx-tpg.c
> >> @@ -722,7 +722,6 @@ static int xtpg_parse_of(struct xtpg_device *xtpg)
> >> format = xvip_of_get_format(port);
> >> if (IS_ERR(format)) {
> >> dev_err(dev, "invalid format in DT");
> >> - of_node_put(port);
> >> return PTR_ERR(format);
> >> }
> >>
> >> @@ -731,7 +730,6 @@ static int xtpg_parse_of(struct xtpg_device *xtpg)
> >> xtpg->vip_format = format;
> >> } else if (xtpg->vip_format != format) {
> >> dev_err(dev, "in/out format mismatch in DT");
> >> - of_node_put(port);
> >> return -EINVAL;
> >> }
> >>
--
Regards,
Laurent Pinchart
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