tree 103c6133d51f266b16c8b6f71fddf4992c57dc8f
parent 7dc341175af5e7361af81499ea192c7b274b6357
author Roger Pau Monne <roger.pau@citrix.com> 1354630913 +0100
committer Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 1355799356 -0500

llist/xen-blkfront: implement safe version of llist_for_each_entry

Implement a safe version of llist_for_each_entry, and use it in
blkif_free. Previously grants where freed while iterating the list,
which lead to dereferences when trying to fetch the next item.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Acked-by:  Andrew Morton <akpm@linux-foundation.org>
[v2: Move the llist_for_each_entry_safe in llist.h]
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>