Messages in this thread Patch in this message | | | From | Helen Koike <> | Subject | [PATCH] [media] media-entity: only call dev_dbg_obj if mdev is not NULL | Date | Thu, 6 Apr 2017 16:32:00 -0300 |
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Fix kernel Oops NULL pointer deference Call dev_dbg_obj only after checking if gobj->mdev is not NULL
Signed-off-by: Helen Koike <helen.koike@collabora.com> --- drivers/media/media-entity.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/media/media-entity.c b/drivers/media/media-entity.c index 5640ca2..bc44193 100644 --- a/drivers/media/media-entity.c +++ b/drivers/media/media-entity.c @@ -199,12 +199,12 @@ void media_gobj_create(struct media_device *mdev, void media_gobj_destroy(struct media_gobj *gobj) { - dev_dbg_obj(__func__, gobj); - /* Do nothing if the object is not linked. */ if (gobj->mdev == NULL) return; + dev_dbg_obj(__func__, gobj); + gobj->mdev->topology_version++; /* Remove the object from mdev list */ -- 2.7.4
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