diff options
Diffstat (limited to 'fs/smb/server/connection.c')
| -rw-r--r-- | fs/smb/server/connection.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/fs/smb/server/connection.c b/fs/smb/server/connection.c index b6b4f1286b9c..6cac48c8fbe8 100644 --- a/fs/smb/server/connection.c +++ b/fs/smb/server/connection.c @@ -295,8 +295,9 @@ bool ksmbd_conn_alive(struct ksmbd_conn *conn) return true; } -#define SMB1_MIN_SUPPORTED_HEADER_SIZE (sizeof(struct smb_hdr)) -#define SMB2_MIN_SUPPORTED_HEADER_SIZE (sizeof(struct smb2_hdr) + 4) +/* "+2" for BCC field (ByteCount, 2 bytes) */ +#define SMB1_MIN_SUPPORTED_PDU_SIZE (sizeof(struct smb_hdr) + 2) +#define SMB2_MIN_SUPPORTED_PDU_SIZE (sizeof(struct smb2_pdu)) /** * ksmbd_conn_handler_loop() - session thread to listen on new smb requests @@ -363,7 +364,7 @@ recheck: if (pdu_size > MAX_STREAM_PROT_LEN) break; - if (pdu_size < SMB1_MIN_SUPPORTED_HEADER_SIZE) + if (pdu_size < SMB1_MIN_SUPPORTED_PDU_SIZE) break; /* 4 for rfc1002 length field */ @@ -394,9 +395,9 @@ recheck: if (!ksmbd_smb_request(conn)) break; - if (((struct smb2_hdr *)smb2_get_msg(conn->request_buf))->ProtocolId == + if (((struct smb2_hdr *)smb_get_msg(conn->request_buf))->ProtocolId == SMB2_PROTO_NUMBER) { - if (pdu_size < SMB2_MIN_SUPPORTED_HEADER_SIZE) + if (pdu_size < SMB2_MIN_SUPPORTED_PDU_SIZE) break; } |