Hello Mauro Carvalho Chehab,
The patch f8fd4c61b5ae: "[media] media-entity: protect object
creation/removal using spin lock" from Dec 9, 2015, leads to the
following static checker warning:
drivers/media/media-entity.c:781 media_remove_intf_link()
error: dereferencing freed memory 'link'
drivers/media/media-entity.c
777 void media_remove_intf_link(struct media_link *link)
778 {
779 spin_lock(&link->graph_obj.mdev->lock);
780 __media_remove_intf_link(link);
781 spin_unlock(&link->graph_obj.mdev->lock);
Do we need this unlock any more? Haven't we freed the lock on the
previous line?
782 }
regards,
dan carpenter
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