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| author | Paulo Alcantara <pc@manguebit.com> | 2023-08-02 18:43:03 +0200 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2023-08-02 20:36:12 +0200 |
| commit | 11260c3d608b59231f4c228147a795ab21a10b33 (patch) | |
| tree | 9a9a7bfc0c61df8c09d142205d2e501c04b1074f /fs | |
| parent | Linux 6.5-rc4 (diff) | |
| download | linux-11260c3d608b59231f4c228147a795ab21a10b33.tar.xz linux-11260c3d608b59231f4c228147a795ab21a10b33.zip | |
smb: client: fix dfs link mount against w2k8
Customer reported that they couldn't mount their DFS link that was
seen by the client as a DFS interlink -- special form of DFS link
where its single target may point to a different DFS namespace -- and
it turned out that it was just a regular DFS link where its referral
header flags missed the StorageServers bit thus making the client
think it couldn't tree connect to target directly without requiring
further referrals.
When the DFS link referral header flags misses the StoraServers bit
and its target doesn't respond to any referrals, then tree connect to
it.
Fixes: a1c0d00572fc ("cifs: share dfs connections and supers")
Cc: stable@vger.kernel.org
Signed-off-by: Paulo Alcantara (SUSE) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/smb/client/dfs.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/smb/client/dfs.c b/fs/smb/client/dfs.c index df3fd3b720da..ee772c3d9f00 100644 --- a/fs/smb/client/dfs.c +++ b/fs/smb/client/dfs.c @@ -177,8 +177,12 @@ static int __dfs_mount_share(struct cifs_mount_ctx *mnt_ctx) struct dfs_cache_tgt_list tl = DFS_CACHE_TGT_LIST_INIT(tl); rc = dfs_get_referral(mnt_ctx, ref_path + 1, NULL, &tl); - if (rc) + if (rc) { + rc = cifs_mount_get_tcon(mnt_ctx); + if (!rc) + rc = cifs_is_path_remote(mnt_ctx); break; + } tit = dfs_cache_get_tgt_iterator(&tl); if (!tit) { |