[PATCH] isofs: remove d_splice_alias NULL check from isofs_lookup

Remove redundant NULL check in isofs_lookup() as d_splice_alias() can take
NULL inode as input.

Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/isofs/namei.c

diff --git a/fs/isofs/namei.c b/fs/isofs/namei.c
index e37e82b..e7ba0c3 100644
--- a/fs/isofs/namei.c
+++ b/fs/isofs/namei.c
@@ -185,8 +185,5 @@
 		}
 	}
 	unlock_kernel();
-	if (inode)
-		return d_splice_alias(inode, dentry);
-	d_add(dentry, inode);
-	return NULL;
+	return d_splice_alias(inode, dentry);
 }