From: Namjae Jeon linkinjeon@kernel.org
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@vger.kernel.org Reported-by: Steve French stfrench@microsoft.com Signed-off-by: Namjae Jeon linkinjeon@kernel.org Signed-off-by: Steve French stfrench@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- 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;