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drm/of: free the iterator object on failure

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[ Upstream commit 6f9223a56f ]

When bailing out due to the sanity check the iterator value needs to be
freed because the early return prevents for_each_child_of_node() from
doing the dereference itself.

Fixes: 6529007522 ("drm: of: Add drm_of_lvds_get_dual_link_pixel_order")
Signed-off-by: Steven Price <steven.price@arm.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210714143300.20632-1-steven.price@arm.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Steven Price
2021-07-14 15:33:00 +01:00
committed by Greg Kroah-Hartman
parent 389dfd1147
commit 1568dbe889
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/drm_of.c
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@@ -331,8 +331,10 @@ static int drm_of_lvds_get_remote_pixels_type(
* configurations by passing the endpoints explicitly to
* drm_of_lvds_get_dual_link_pixel_order().
*/
if (!current_pt || pixels_type != current_pt)
if (!current_pt || pixels_type != current_pt) {
of_node_put(endpoint);
return -EINVAL;
}
}
return pixels_type;