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authorDan Carpenter <error27@gmail.com>2010-10-11 13:24:19 -0400
committerMichael S. Tsirkin <mst@redhat.com>2010-10-12 08:32:28 -0400
commit6d97e55f7172303082850c1de085d06fc1e57d17 (patch)
treef1a309c0e0e4f4cd362adbd1cf4aca5d3a983535 /drivers/vhost
parentb0057c51db66c5f0f38059f242c57d61c4741d89 (diff)
vhost: fix return code for log_access_ok()
access_ok() returns 1 if it's OK otherwise it should return 0. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/vhost')
-rw-r--r--drivers/vhost/vhost.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index dd3d6f7406f8..158004e46e56 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -371,7 +371,7 @@ static int log_access_ok(void __user *log_base, u64 addr, unsigned long sz)
371 /* Make sure 64 bit math will not overflow. */ 371 /* Make sure 64 bit math will not overflow. */
372 if (a > ULONG_MAX - (unsigned long)log_base || 372 if (a > ULONG_MAX - (unsigned long)log_base ||
373 a + (unsigned long)log_base > ULONG_MAX) 373 a + (unsigned long)log_base > ULONG_MAX)
374 return -EFAULT; 374 return 0;
375 375
376 return access_ok(VERIFY_WRITE, log_base + a, 376 return access_ok(VERIFY_WRITE, log_base + a,
377 (sz + VHOST_PAGE_SIZE * 8 - 1) / VHOST_PAGE_SIZE / 8); 377 (sz + VHOST_PAGE_SIZE * 8 - 1) / VHOST_PAGE_SIZE / 8);