This is a note to let you know that I've just added the patch titled
Fix regression which breaks DFS mounting
to the 4.8-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
fix-regression-which-breaks-dfs-mounting.patch
and it can be found in the queue-4.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From d171356ff11ab1825e456dfb979755e01b3c54a1 Mon Sep 17 00:00:00 2001
From: Sachin Prabhu <sprabhu@xxxxxxxxxx>
Date: Tue, 6 Sep 2016 13:22:34 +0100
Subject: Fix regression which breaks DFS mounting
From: Sachin Prabhu <sprabhu@xxxxxxxxxx>
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: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/cifs/connect.c | 14 ++++++++------
1 file changed, 8 insertions(+), 6 deletions(-)
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -3688,14 +3688,16 @@ remote_path_check:
goto mount_fail_check;
}
- rc = cifs_are_all_path_components_accessible(server,
+ 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;
+ 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);
}
Patches currently in stable-queue which might be from sprabhu@xxxxxxxxxx are
queue-4.8/fix-regression-which-breaks-dfs-mounting.patch
queue-4.8/cleanup-missing-frees-on-some-ioctls.patch
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