diff options
Diffstat (limited to 'fs/cifs/cifssmb.c')
-rw-r--r-- | fs/cifs/cifssmb.c | 34 |
1 files changed, 7 insertions, 27 deletions
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 77463f7..b1f3751 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -1411,27 +1411,6 @@ cifs_readv_discard(struct TCP_Server_Info *server, struct mid_q_entry *mid) return 0; } -static inline size_t -read_rsp_size(void) -{ - return sizeof(READ_RSP); -} - -static inline unsigned int -read_data_offset(char *buf) -{ - READ_RSP *rsp = (READ_RSP *)buf; - return le16_to_cpu(rsp->DataOffset); -} - -static inline unsigned int -read_data_length(char *buf) -{ - READ_RSP *rsp = (READ_RSP *)buf; - return (le16_to_cpu(rsp->DataLengthHigh) << 16) + - le16_to_cpu(rsp->DataLength); -} - static int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid) { @@ -1449,7 +1428,7 @@ cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid) * can if there's not enough data. At this point, we've read down to * the Mid. */ - len = min_t(unsigned int, buflen, read_rsp_size()) - + len = min_t(unsigned int, buflen, server->vals->read_rsp_size) - HEADER_SIZE(server) + 1; rdata->iov[0].iov_base = buf + HEADER_SIZE(server) - 1; @@ -1461,7 +1440,7 @@ cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid) server->total_read += length; /* Was the SMB read successful? */ - rdata->result = map_smb_to_linux_error(buf, false); + rdata->result = server->ops->map_error(buf, false); if (rdata->result != 0) { cFYI(1, "%s: server returned error %d", __func__, rdata->result); @@ -1469,14 +1448,15 @@ cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid) } /* Is there enough to get to the rest of the READ_RSP header? */ - if (server->total_read < read_rsp_size()) { + if (server->total_read < server->vals->read_rsp_size) { cFYI(1, "%s: server returned short header. got=%u expected=%zu", - __func__, server->total_read, read_rsp_size()); + __func__, server->total_read, + server->vals->read_rsp_size); rdata->result = -EIO; return cifs_readv_discard(server, mid); } - data_offset = read_data_offset(buf) + 4; + data_offset = server->ops->read_data_offset(buf) + 4; if (data_offset < server->total_read) { /* * win2k8 sometimes sends an offset of 0 when the read @@ -1515,7 +1495,7 @@ cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid) rdata->iov[0].iov_base, rdata->iov[0].iov_len); /* how much data is in the response? */ - data_len = read_data_length(buf); + data_len = server->ops->read_data_length(buf); if (data_offset + data_len > buflen) { /* data_len is corrupt -- discard frame */ rdata->result = -EIO; |