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| author | David S. Miller <davem@davemloft.net> | 2010-04-07 16:52:29 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-04-07 16:52:29 -0700 |
| commit | 04b1a22350e1e6464c3109886385178d119dbbb4 (patch) | |
| tree | bea1d2d0f8692c82ccf9b9c727436fe9ddaa1531 /drivers | |
| parent | a55cb185b4a8f84cd05b66bb00b267ea455ecdc8 (diff) | |
| parent | 179b284e2fc0c638035843968f7d7ab8ab701525 (diff) | |
Merge branch 'vhost' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/vhost/vhost.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 7bd7a1e4409..b8e11272081 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -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; |