linux-kernel - [RFC PATCH 1/5] net: cleanup unix

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Message-ID: <20120815162204.7598.6975.stgit@localhost.localdomain>
Date:	Wed, 15 Aug 2012 20:22:04 +0400
From:	Stanislav Kinsbursky <skinsbursky@...allels.com>
To:	tglx@...utronix.de, mingo@...hat.com, davem@...emloft.net,
	hpa@...or.com
Cc:	thierry.reding@...onic-design.de, bfields@...hat.com,
	eric.dumazet@...il.com, xemul@...allels.com, neilb@...e.de,
	netdev@...r.kernel.org, x86@...nel.org,
	linux-kernel@...r.kernel.org, paul.gortmaker@...driver.com,
	viro@...iv.linux.org.uk, gorcunov@...nvz.org,
	akpm@...ux-foundation.org, tim.c.chen@...ux.intel.com,
	devel@...nvz.org, ebiederm@...ssion.com
Subject: [RFC PATCH 1/5] net: cleanup unix_bind() a little

This will simplify further changes for unix_fbind().
---
 net/unix/af_unix.c |   12 +++++-------
 1 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c
index 641f2e4..bc90ddb 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -880,10 +880,8 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
 		if (err)
 			goto out_mknod_dput;
 		err = security_path_mknod(&path, dentry, mode, 0);
-		if (err)
-			goto out_mknod_drop_write;
-		err = vfs_mknod(path.dentry->d_inode, dentry, mode, 0);
-out_mknod_drop_write:
+		if (!err)
+			err = vfs_mknod(path.dentry->d_inode, dentry, mode, 0);
 		mnt_drop_write(path.mnt);
 		if (err)
 			goto out_mknod_dput;
@@ -896,9 +894,9 @@ out_mknod_drop_write:
 
 	spin_lock(&unix_table_lock);
 
+	err = -EADDRINUSE;
 	if (!sun_path[0]) {
-		err = -EADDRINUSE;
-		if (__unix_find_socket_byname(net, sunaddr, addr_len,
+		if (__unix_find_socket_byname(net, sunaddr, addr->len,
 					      sk->sk_type, hash)) {
 			unix_release_addr(addr);
 			goto out_unlock;
@@ -906,7 +904,7 @@ out_mknod_drop_write:
 
 		list = &unix_socket_table[addr->hash];
 	} else {
-		list = &unix_socket_table[dentry->d_inode->i_ino & (UNIX_HASH_SIZE-1)];
+		list = &unix_socket_table[path.dentry->d_inode->i_ino & (UNIX_HASH_SIZE-1)];
 		u->path = path;
 	}
 

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