From: Namjae Jeon <linkinjeon@xxxxxxxxxx>
commit b53e8cfec30b93c120623232ba27c041b1ef8f1a upstream.
ksmbd returned "Input/output error" when mounting with vers=2.0 to
ksmbd. It should return STATUS_NOT_SUPPORTED on unsupported smb2.0
dialect.
Cc: stable@xxxxxxxxxxxxxxx
Reported-by: Steve French <stfrench@xxxxxxxxxxxxx>
Signed-off-by: Namjae Jeon <linkinjeon@xxxxxxxxxx>
Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
fs/ksmbd/smb_common.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/fs/ksmbd/smb_common.c
+++ b/fs/ksmbd/smb_common.c
@@ -434,7 +434,7 @@ int ksmbd_extract_shortname(struct ksmbd
static int __smb2_negotiate(struct ksmbd_conn *conn)
{
- return (conn->dialect >= SMB21_PROT_ID &&
+ return (conn->dialect >= SMB20_PROT_ID &&
conn->dialect <= SMB311_PROT_ID);
}
@@ -465,7 +465,7 @@ int ksmbd_smb_negotiate_common(struct ks
}
}
- if (command == SMB2_NEGOTIATE_HE && __smb2_negotiate(conn)) {
+ if (command == SMB2_NEGOTIATE_HE) {
ret = smb2_handle_negotiate(work);
init_smb2_neg_rsp(work);
return ret;
