From: Paulo Alcantara <pc@xxxxxxxxxxxxx>
commit 72a7804a667eeac98888610521179f0418883158 upstream.
cifs.ko maps NT_STATUS_NOT_FOUND to -EIO when SMB1 servers couldn't
resolve referral paths. Proceed to tree connect when we get -EIO from
dfs_get_referral() as well.
Reported-by: Kris Karas (Bug Reporting) <bugs-a21@xxxxxxxxxxxxxxxx>
Tested-by: Woody Suwalski <terraluna977@xxxxxxxxx>
Fixes: 8e3554150d6c ("cifs: fix sharing of DFS connections")
Cc: stable@xxxxxxxxxxxxxxx # v6.2+
Signed-off-by: Paulo Alcantara (SUSE) <pc@xxxxxxxxxxxxx>
Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/cifs/dfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/cifs/dfs.c b/fs/cifs/dfs.c
index a93dbca1411b..2f93bf8c3325 100644
--- a/fs/cifs/dfs.c
+++ b/fs/cifs/dfs.c
@@ -303,7 +303,7 @@ 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)
+ if (rc != -ENOENT && rc != -EOPNOTSUPP && rc != -EIO)
goto out;
nodfs = true;
}
--
2.40.1
