Update from upstream with manual merge of Yasunori Goto's

changes to swiotlb.c made in commit 281dd25cdc0d6903929b79183816d151ea626341
since this file has been moved from arch/ia64/lib/swiotlb.c to
lib/swiotlb.c

Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 12 insertions, 27 deletions

diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c
index 868f350b2c5..82c5b008407 100644
--- a/fs/9p/vfs_super.c
+++ b/fs/9p/vfs_super.c
@@ -129,8 +129,7 @@ static struct super_block *v9fs_get_sb(struct file_system_type
 
 	if ((newfid = v9fs_session_init(v9ses, dev_name, data)) < 0) {
 		dprintk(DEBUG_ERROR, "problem initiating session\n");
-		retval = newfid;
-		goto free_session;
+		return ERR_PTR(newfid);
 	}
 
 	sb = sget(fs_type, NULL, v9fs_set_super, v9ses);
@@ -150,28 +149,24 @@ static struct super_block *v9fs_get_sb(struct file_system_type
 
 	if (!root) {
 		retval = -ENOMEM;
-		goto release_inode;
+		goto put_back_sb;
 	}
 
 	sb->s_root = root;
 
-	/* Setup the Root Inode */
-	root_fid = v9fs_fid_create(root);
-	if (root_fid == NULL) {
-		retval = -ENOMEM;
-		goto release_dentry;
-	}
-
-	root_fid->fidopen = 0;
-	root_fid->v9ses = v9ses;
-
 	stat_result = v9fs_t_stat(v9ses, newfid, &fcall);
 	if (stat_result < 0) {
 		dprintk(DEBUG_ERROR, "stat error\n");
 		v9fs_t_clunk(v9ses, newfid, NULL);
 		v9fs_put_idpool(newfid, &v9ses->fidpool);
 	} else {
-		root_fid->fid = newfid;
+		/* Setup the Root Inode */
+		root_fid = v9fs_fid_create(root, v9ses, newfid, 0);
+		if (root_fid == NULL) {
+			retval = -ENOMEM;
+			goto put_back_sb;
+		}
+
 		root_fid->qid = fcall->params.rstat.stat->qid;
 		root->d_inode->i_ino =
 		    v9fs_qid2ino(&fcall->params.rstat.stat->qid);
@@ -182,25 +177,15 @@ static struct super_block *v9fs_get_sb(struct file_system_type
 
 	if (stat_result < 0) {
 		retval = stat_result;
-		goto release_dentry;
+		goto put_back_sb;
 	}
 
 	return sb;
 
-      release_dentry:
-	dput(sb->s_root);
-
-      release_inode:
-	iput(inode);
-
-      put_back_sb:
+put_back_sb:
+	/* deactivate_super calls v9fs_kill_super which will frees the rest */
 	up_write(&sb->s_umount);
 	deactivate_super(sb);
-	v9fs_session_close(v9ses);
-
-      free_session:
-	kfree(v9ses);
-
 	return ERR_PTR(retval);
 }