This is a note to let you know that I've just added the patch titled
smb: client: improve DFS mount check
to the 6.4-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:
smb-client-improve-dfs-mount-check.patch
and it can be found in the queue-6.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 5f2a0afa9890e728428db2ed9281bddca242e90b Mon Sep 17 00:00:00 2001
From: Paulo Alcantara <pc@xxxxxxxxxxxxx>
Date: Tue, 27 Jun 2023 21:24:50 -0300
Subject: smb: client: improve DFS mount check
From: Paulo Alcantara <pc@xxxxxxxxxxxxx>
commit 5f2a0afa9890e728428db2ed9281bddca242e90b upstream.
Some servers may return error codes from REQ_GET_DFS_REFERRAL requests
that are unexpected by the client, so to make it easier, assume
non-DFS mounts when the client can't get the initial DFS referral of
@ctx->UNC in dfs_mount_share().
Signed-off-by: Paulo Alcantara (SUSE) <pc@xxxxxxxxxxxxx>
Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/smb/client/dfs.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
--- a/fs/smb/client/dfs.c
+++ b/fs/smb/client/dfs.c
@@ -296,8 +296,9 @@ int dfs_mount_share(struct cifs_mount_ct
if (!nodfs) {
rc = dfs_get_referral(mnt_ctx, ctx->UNC + 1, NULL, NULL);
if (rc) {
- if (rc != -ENOENT && rc != -EOPNOTSUPP && rc != -EIO)
- return rc;
+ cifs_dbg(FYI, "%s: no dfs referral for %s: %d\n",
+ __func__, ctx->UNC + 1, rc);
+ cifs_dbg(FYI, "%s: assuming non-dfs mount...\n", __func__);
nodfs = true;
}
}
Patches currently in stable-queue which might be from pc@xxxxxxxxxxxxx are
queue-6.4/smb-client-fix-parsing-of-source-mount-option.patch
queue-6.4/smb-client-improve-dfs-mount-check.patch
