Btrfs: cleanup error handling in inode.c

The error processing of several places is changed like setting the
error number only at the error.

Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index ad6b515..870869a 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4731,9 +4731,10 @@ static int btrfs_mknod(struct inode *dir, struct dentry *dentry,
        inode = btrfs_new_inode(trans, root, dir, dentry->d_name.name,
                                dentry->d_name.len, dir->i_ino, objectid,
                                BTRFS_I(dir)->block_group, mode, &index);
-       err = PTR_ERR(inode);
-       if (IS_ERR(inode))
+       if (IS_ERR(inode)) {
+               err = PTR_ERR(inode);
                goto out_unlock;
+       }
 
        err = btrfs_init_inode_security(trans, inode, dir);
        if (err) {
@@ -4792,9 +4793,10 @@ static int btrfs_create(struct inode *dir, struct dentry *dentry,
        inode = btrfs_new_inode(trans, root, dir, dentry->d_name.name,
                                dentry->d_name.len, dir->i_ino, objectid,
                                BTRFS_I(dir)->block_group, mode, &index);
-       err = PTR_ERR(inode);
-       if (IS_ERR(inode))
+       if (IS_ERR(inode)) {
+               err = PTR_ERR(inode);
                goto out_unlock;
+       }
 
        err = btrfs_init_inode_security(trans, inode, dir);
        if (err) {
@@ -7278,9 +7280,10 @@ static int btrfs_symlink(struct inode *dir, struct dentry *dentry,
                                dentry->d_name.len, dir->i_ino, objectid,
                                BTRFS_I(dir)->block_group, S_IFLNK|S_IRWXUGO,
                                &index);
-       err = PTR_ERR(inode);
-       if (IS_ERR(inode))
+       if (IS_ERR(inode)) {
+               err = PTR_ERR(inode);
                goto out_unlock;
+       }
 
        err = btrfs_init_inode_security(trans, inode, dir);
        if (err) {