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authorPaulo Alcantara <pc@manguebit.com>2023-06-27 21:24:50 -0300
committerSteve French <stfrench@microsoft.com>2023-06-28 15:49:02 -0500
commit5f2a0afa9890e728428db2ed9281bddca242e90b (patch)
tree8f53e5ac09b9760f27190ca67f46da02f7dfc088 /fs/smb
parent3ae872de410751fe5e629e04da491a632d95201c (diff)
smb: client: improve DFS mount check
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@manguebit.com> Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/smb')
-rw-r--r--fs/smb/client/dfs.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/smb/client/dfs.c b/fs/smb/client/dfs.c
index dd06b8a0ff7a..26d14dd0482e 100644
--- a/fs/smb/client/dfs.c
+++ b/fs/smb/client/dfs.c
@@ -264,8 +264,9 @@ int dfs_mount_share(struct cifs_mount_ctx *mnt_ctx, bool *isdfs)
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;
}
}