summaryrefslogtreecommitdiff
path: root/drivers/vhost/vhost.c
diff options
context:
space:
mode:
authorJens Axboe <jens.axboe@oracle.com>2010-04-29 07:36:24 (GMT)
committerJens Axboe <jens.axboe@oracle.com>2010-04-29 07:36:24 (GMT)
commit7407cf355fdf5500430be966dbbde84a27293bad (patch)
tree922861288ff38558ed721a79653f52b17b13bb95 /drivers/vhost/vhost.c
parent6a47dc1418682c83d603b491df1d048f73aa973e (diff)
parent79dba2eaa771c3173957eccfd288e0e0d12e4d3f (diff)
downloadlinux-fsl-qoriq-7407cf355fdf5500430be966dbbde84a27293bad.tar.xz
Merge branch 'master' into for-2.6.35
Conflicts: fs/block_dev.c Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/vhost/vhost.c')
-rw-r--r--drivers/vhost/vhost.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 5be11c9..e69d238 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -236,6 +236,10 @@ static int vq_memory_access_ok(void __user *log_base, struct vhost_memory *mem,
int log_all)
{
int i;
+
+ if (!mem)
+ return 0;
+
for (i = 0; i < mem->nregions; ++i) {
struct vhost_memory_region *m = mem->regions + i;
unsigned long a = m->userspace_addr;