fs/block_dev.c: no need to check inode->i_bdev in bd_forget()

Its only caller evict() has promised a non-NULL inode->i_bdev.

Signed-off-by: Yan Hong <clouds.yan@gmail.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 3 insertions, 5 deletions

diff --git a/fs/block_dev.c b/fs/block_dev.c
index aae187a7f94a..ce08de7467a3 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -617,11 +617,9 @@ void bd_forget(struct inode *inode)
         struct block_device *bdev = NULL;
 
         spin_lock(&bdev_lock);
-        if (inode->i_bdev) {
-                if (!sb_is_blkdev_sb(inode->i_sb))
-                        bdev = inode->i_bdev;
-                __bd_forget(inode);
-        }
+        if (!sb_is_blkdev_sb(inode->i_sb))
+                bdev = inode->i_bdev;
+        __bd_forget(inode);
         spin_unlock(&bdev_lock);
 
         if (bdev)