summaryrefslogtreecommitdiff
path: root/drivers/vhost/vhost.c
diff options
context:
space:
mode:
authorPaul Mundt <lethal@linux-sh.org>2010-04-26 16:08:27 +0900
committerPaul Mundt <lethal@linux-sh.org>2010-04-26 16:08:27 +0900
commite19553427c2e8fdb04fdd98e407164bb59a840ba (patch)
tree5332234b2dad07c03c27e4608afb16f297f41e61 /drivers/vhost/vhost.c
parent35f6cd4a06432034665a1499ca4b022437423aac (diff)
parent83515bc7df812555e20cda48614674e2f346f9f5 (diff)
Merge branch 'sh/stable-updates'
Conflicts: arch/sh/kernel/dwarf.c drivers/dma/shdma.c Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/vhost/vhost.c')
-rw-r--r--drivers/vhost/vhost.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 7bd7a1e4409d..e69d238c5af0 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -22,6 +22,7 @@
#include <linux/poll.h>
#include <linux/file.h>
#include <linux/highmem.h>
+#include <linux/slab.h>
#include <linux/net.h>
#include <linux/if_packet.h>
@@ -235,6 +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;