From 349c7037b15927eed3cc8a5dbc08639dea654ea5 Mon Sep 17 00:00:00 2001
From: Yaowei Bai <bywxiaobai@163.com>
Date: Mon, 9 Nov 2015 14:58:31 -0800
Subject: fs/9p: remove unnecessary new_valid_dev() checks

new_valid_dev() always returns 1, so the !new_valid_dev() check is not
needed.  Remove it.

Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Eric Van Hensbergen <ericvh@gmail.com>
Cc: Ron Minnich <rminnich@sandia.gov>
Cc: Latchesar Ionkov <lucho@ionkov.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index b1dc518..699941e 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -1368,9 +1368,6 @@ v9fs_vfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t rde
 		 dir->i_ino, dentry, mode,
 		 MAJOR(rdev), MINOR(rdev));
 
-	if (!new_valid_dev(rdev))
-		return -EINVAL;
-
 	/* build extension */
 	if (S_ISBLK(mode))
 		sprintf(name, "b %u %u", MAJOR(rdev), MINOR(rdev));
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index e8aa57d..cb899af 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -829,9 +829,6 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, umode_t omode,
 		 dir->i_ino, dentry, omode,
 		 MAJOR(rdev), MINOR(rdev));
 
-	if (!new_valid_dev(rdev))
-		return -EINVAL;
-
 	v9ses = v9fs_inode2v9ses(dir);
 	dir_dentry = dentry->d_parent;
 	dfid = v9fs_fid_lookup(dir_dentry);
-- 
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