[PATCH 3.12 200/235] Move check for prefix path to within cifs_get_root()

From: Jiri Slaby
Date: Fri Jan 27 2017 - 06:28:54 EST


From: Sachin Prabhu <sprabhu@xxxxxxxxxx>

3.12-stable review patch. If anyone has any objections, please let me know.

===============

commit 348c1bfa84dfc47da1f1234b7f2bf09fa798edea upstream.

Signed-off-by: Sachin Prabhu <sprabhu@xxxxxxxxxx>
Tested-by: Aurelien Aptel <aaptel@xxxxxxxx>
Signed-off-by: Steve French <smfrench@xxxxxxxxx>
Acked-by: Aurelien Aptel <aaptel@xxxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
fs/cifs/cifsfs.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 846b9916fdcd..75aacb731c54 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -586,6 +586,9 @@ cifs_get_root(struct smb_vol *vol, struct super_block *sb)
char *s, *p;
char sep;

+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH)
+ return dget(sb->s_root);
+
full_path = cifs_build_path_to_root(vol, cifs_sb,
cifs_sb_master_tcon(cifs_sb));
if (full_path == NULL)
@@ -710,11 +713,7 @@ cifs_do_mount(struct file_system_type *fs_type,
sb->s_flags |= MS_ACTIVE;
}

- if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_USE_PREFIX_PATH)
- root = dget(sb->s_root);
- else
- root = cifs_get_root(volume_info, sb);
-
+ root = cifs_get_root(volume_info, sb);
if (IS_ERR(root))
goto out_super;

--
2.11.0