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authorIngo Molnar <mingo@elte.hu>2010-04-15 09:35:24 +0200
committerIngo Molnar <mingo@elte.hu>2010-04-15 09:36:16 +0200
commitb257c14ceb1194a6181144210056d38f22127189 (patch)
treec803925f1d5bf2237e7495d306bf43929df0c952 /drivers/vhost/vhost.c
parent371fd7e7a56a5c136d31aa980011bd2f131c3ef5 (diff)
parent2ba3abd8186f24c7fb418927025b4e2120e3a362 (diff)
downloadtalos-op-linux-b257c14ceb1194a6181144210056d38f22127189.tar.gz
talos-op-linux-b257c14ceb1194a6181144210056d38f22127189.zip
Merge branch 'linus' into sched/core
Merge reason: merge the latest fixes, update to -rc4. Signed-off-by: Ingo Molnar <mingo@elte.hu>
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;
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