[PATCH] Remove redundant check from autofs4_put_super

We have to have a valid sbi here, or we'd have oopsed already.  (There's a
dereference of sbi->catatonic a few lines above)

Coverity #740

Signed-off-by: Dave Jones <davej@redhat.com>
Cc: Ian Kent <raven@themaw.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
index 9438889..4eddee4e 100644
--- a/fs/autofs4/inode.c
+++ b/fs/autofs4/inode.c
@@ -157,8 +157,7 @@
 		autofs4_catatonic_mode(sbi); /* Free wait queues, close pipe */
 
 	/* Clean up and release dangling references */
-	if (sbi)
-		autofs4_force_release(sbi);
+	autofs4_force_release(sbi);
 
 	kfree(sbi);