xen-blkback: implement safe iterator for the list of persistent grants

Browse source

Change foreach_grant iterator to a safe version, that allows freeing
the element while iterating. Also move the free code in
free_persistent_gnts to prevent freeing the element before the rb_next
call.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Cc: Konrad Rzeszutek Wilk <konrad@kernel.org>
Cc: xen-devel@lists.xen.org
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

...

This commit is contained in:

Roger Pau Monne 2012-12-04 15:21:52 +01:00 • committed by Konrad Rzeszutek Wilk

parent 07c540a0b5

commit 7dc341175a

1 changed files with 11 additions and 7 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

18

drivers/block/xen-blkback/blkback.c

View file