Commit 179b284e authored Apr 07, 2010 by Jeff Dike Committed by Michael S. Tsirkin Apr 07, 2010

vhost-net: fix vq_memory_access_ok error checking



vq_memory_access_ok needs to check whether mem == NULL

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

parent 535297a6

drivers/vhost/vhost.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -235,6 +235,10 @@ 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;