diff options
| -rw-r--r-- | fs/smb/client/cifsproto.h | 3 | ||||
| -rw-r--r-- | fs/smb/client/connect.c | 20 | ||||
| -rw-r--r-- | fs/smb/client/transport.c | 2 |
3 files changed, 19 insertions, 6 deletions
diff --git a/fs/smb/client/cifsproto.h b/fs/smb/client/cifsproto.h index 39322b4931da..cfcc07905bdf 100644 --- a/fs/smb/client/cifsproto.h +++ b/fs/smb/client/cifsproto.h @@ -31,6 +31,9 @@ extern void cifs_small_buf_release(void *); extern void free_rsp_buf(int, void *); extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *, unsigned int /* length */); +extern int smb_send_kvec(struct TCP_Server_Info *server, + struct msghdr *msg, + size_t *sent); extern unsigned int _get_xid(void); extern void _free_xid(unsigned int); #define get_xid() \ diff --git a/fs/smb/client/connect.c b/fs/smb/client/connect.c index 73f93a35eedd..452158b4b326 100644 --- a/fs/smb/client/connect.c +++ b/fs/smb/client/connect.c @@ -3035,8 +3035,10 @@ ip_rfc1001_connect(struct TCP_Server_Info *server) * sessinit is sent but no second negprot */ struct rfc1002_session_packet req = {}; - struct smb_hdr *smb_buf = (struct smb_hdr *)&req; + struct msghdr msg = {}; + struct kvec iov = {}; unsigned int len; + size_t sent; req.trailer.session_req.called_len = sizeof(req.trailer.session_req.called_name); @@ -3065,10 +3067,18 @@ ip_rfc1001_connect(struct TCP_Server_Info *server) * As per rfc1002, @len must be the number of bytes that follows the * length field of a rfc1002 session request payload. */ - len = sizeof(req) - offsetof(struct rfc1002_session_packet, trailer.session_req); + len = sizeof(req.trailer.session_req); + req.type = RFC1002_SESSION_REQUEST; + req.flags = 0; + req.length = cpu_to_be16(len); + len += offsetof(typeof(req), trailer.session_req); + iov.iov_base = &req; + iov.iov_len = len; + iov_iter_kvec(&msg.msg_iter, ITER_SOURCE, &iov, 1, len); + rc = smb_send_kvec(server, &msg, &sent); + if (rc < 0 || len != sent) + return (rc == -EINTR || rc == -EAGAIN) ? rc : -ECONNABORTED; - smb_buf->smb_buf_length = cpu_to_be32((RFC1002_SESSION_REQUEST << 24) | len); - rc = smb_send(server, smb_buf, len); /* * RFC1001 layer in at least one server requires very short break before * negprot presumably because not expecting negprot to follow so fast. @@ -3077,7 +3087,7 @@ ip_rfc1001_connect(struct TCP_Server_Info *server) */ usleep_range(1000, 2000); - return rc; + return 0; } static int diff --git a/fs/smb/client/transport.c b/fs/smb/client/transport.c index 0dc80959ce48..03434dbe9374 100644 --- a/fs/smb/client/transport.c +++ b/fs/smb/client/transport.c @@ -179,7 +179,7 @@ delete_mid(struct mid_q_entry *mid) * Our basic "send data to server" function. Should be called with srv_mutex * held. The caller is responsible for handling the results. */ -static int +int smb_send_kvec(struct TCP_Server_Info *server, struct msghdr *smb_msg, size_t *sent) { |