From 1fe0c0230a7c2d5f4061e681a3f3be9512446d23 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Wed, 19 Sep 2012 15:49:51 +0100
Subject: [PATCH] vfs: delete surplus inode NULL check
Each iteration of d_delete we reload inode from dentry->d_inode and
then call S_ISDIR(inode-i_mode), so inode cannot possibly be NULL
shortly afterwards unless something went horribly wrong.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
fs/dcache.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/dcache.c b/fs/dcache.c
index 16521a9f2038..fbee67b92651 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -2109,7 +2109,7 @@ again:
inode = dentry->d_inode;
isdir = S_ISDIR(inode->i_mode);
if (dentry->d_count == 1) {
- if (inode && !spin_trylock(&inode->i_lock)) {
+ if (!spin_trylock(&inode->i_lock)) {
spin_unlock(&dentry->d_lock);
cpu_relax();
goto again;
--
2.20.1