diff options
| author | Paulo Alcantara <pc@cjr.nz> | 2021-02-25 02:59:24 +0300 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2021-02-25 21:13:59 +0300 |
| commit | d01132ae50207bb6fd94e08e80c2d7b839408086 (patch) | |
| tree | 7c9efcfed93ce6bf7d87f9deecab16580770ecbe /fs/cifs | |
| parent | d08395a3f2f473c6ceeb316a1aeb7fad5b43014f (diff) | |
| download | linux-d01132ae50207bb6fd94e08e80c2d7b839408086.tar.xz | |
cifs: fix nodfs mount option
Skip DFS resolving when mounting with 'nodfs' even if
CONFIG_CIFS_DFS_UPCALL is enabled.
Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Cc: stable@vger.kernel.org # 5.11
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/cifs')
| -rw-r--r-- | fs/cifs/connect.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 9ecd8098c2b6..afb0154e8cb0 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -3379,15 +3379,15 @@ int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb3_fs_context *ctx) rc = mount_get_conns(ctx, cifs_sb, &xid, &server, &ses, &tcon); /* - * Unconditionally try to get an DFS referral (even cached) to determine whether it is an - * DFS mount. + * If called with 'nodfs' mount option, then skip DFS resolving. Otherwise unconditionally + * try to get an DFS referral (even cached) to determine whether it is an DFS mount. * * Skip prefix path to provide support for DFS referrals from w2k8 servers which don't seem * to respond with PATH_NOT_COVERED to requests that include the prefix. */ - if (dfs_cache_find(xid, ses, cifs_sb->local_nls, cifs_remap(cifs_sb), ctx->UNC + 1, NULL, + if ((cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_DFS) || + dfs_cache_find(xid, ses, cifs_sb->local_nls, cifs_remap(cifs_sb), ctx->UNC + 1, NULL, NULL)) { - /* No DFS referral was returned. Looks like a regular share. */ if (rc) goto error; /* Check if it is fully accessible and then mount it */ |