From: Sachin Prabhu <sprabhu@xxxxxxxxxx>
This patch has been added to the 3.12 stable tree. If you have any
objections, please let us know.
===============
commit d171356ff11ab1825e456dfb979755e01b3c54a1 upstream.
Patch a6b5058 results in -EREMOTE returned by is_path_accessible() in
cifs_mount() to be ignored which breaks DFS mounting.
Signed-off-by: Sachin Prabhu <sprabhu@xxxxxxxxxx>
Reviewed-by: Aurelien Aptel <aaptel@xxxxxxxx>
Signed-off-by: Steve French <smfrench@xxxxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
fs/cifs/connect.c | 19 ++++++++++---------
1 file changed, 10 insertions(+), 9 deletions(-)
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 7491e8445458..bd54422a260d 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -3629,15 +3629,16 @@ remote_path_check:
kfree(full_path);
goto mount_fail_check;
}
-
- rc = cifs_are_all_path_components_accessible(server,
- xid, tcon, cifs_sb,
- full_path);
- if (rc != 0) {
- cifs_dbg(VFS, "cannot query dirs between root and final path, "
- "enabling CIFS_MOUNT_USE_PREFIX_PATH\n");
- cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_USE_PREFIX_PATH;
- rc = 0;
+ if (rc != -EREMOTE) {
+ rc = cifs_are_all_path_components_accessible(server,
+ xid, tcon, cifs_sb,
+ full_path);
+ if (rc != 0) {
+ cifs_dbg(VFS, "cannot query dirs between root and final path, "
+ "enabling CIFS_MOUNT_USE_PREFIX_PATH\n");
+ cifs_sb->mnt_cifs_flags |= CIFS_MOUNT_USE_PREFIX_PATH;
+ rc = 0;
+ }
}
kfree(full_path);
}
--
2.11.0
--
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