1 files changed, 5 insertions, 6 deletions

diff --git a/fs/block_dev.c b/fs/block_dev.c
index 9ad527ff9974..2924bddb4a94 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -102,12 +102,11 @@ void invalidate_bdev(struct block_device *bdev)
 {
         struct address_space *mapping = bdev->bd_inode->i_mapping;
 
-        if (mapping->nrpages == 0)
-                return;
-
-        invalidate_bh_lrus();
-        lru_add_drain_all();    /* make sure all lru add caches are flushed */
-        invalidate_mapping_pages(mapping, 0, -1);
+        if (mapping->nrpages) {
+                invalidate_bh_lrus();
+                lru_add_drain_all();    /* make sure all lru add caches are flushed */
+                invalidate_mapping_pages(mapping, 0, -1);
+        }
         /* 99% of the time, we don't need to flush the cleancache on the bdev.
          * But, for the strange corners, lets be cautious
          */