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authorLinus Torvalds <torvalds@linux-foundation.org>2018-04-15 18:06:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-04-15 18:06:22 -0700
commit09c9b0eaa0773264b795c9e1bbb2c9816732573f (patch)
tree590059d3c7074a7579413a5d6a16f3cf140c325a /fs/cifs/connect.c
parentf0d98d85831bf1a3b1f56f8c14af60797aaca536 (diff)
parentc1596ff52466522c98013f1610797a85ba5d4e63 (diff)
Merge tag '4.17-rc1SMB3-Fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull cifs fixes from Steve French: "SMB3 fixes, a few for stable, and some important cleanup work from Ronnie of the smb3 transport code" * tag '4.17-rc1SMB3-Fixes' of git://git.samba.org/sfrench/cifs-2.6: cifs: change validate_buf to validate_iov cifs: remove rfc1002 hardcoded constants from cifs_discard_remaining_data() cifs: Change SMB2_open to return an iov for the error parameter cifs: add resp_buf_size to the mid_q_entry structure smb3.11: replace a 4 with server->vals->header_preamble_size cifs: replace a 4 with server->vals->header_preamble_size cifs: add pdu_size to the TCP_Server_Info structure SMB311: Improve checking of negotiate security contexts SMB3: Fix length checking of SMB3.11 negotiate request CIFS: add ONCE flag for cifs_dbg type cifs: Use ULL suffix for 64-bit constant SMB3: Log at least once if tree connect fails during reconnect cifs: smb2pdu: Fix potential NULL pointer dereference
Diffstat (limited to 'fs/cifs/connect.c')
-rw-r--r--fs/cifs/connect.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 4e0808f40195..e8830f076a7f 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -772,7 +772,7 @@ standard_receive3(struct TCP_Server_Info *server, struct mid_q_entry *mid)
{
int length;
char *buf = server->smallbuf;
- unsigned int pdu_length = get_rfc1002_length(buf);
+ unsigned int pdu_length = server->pdu_size;
/* make sure this will fit in a large buffer */
if (pdu_length > CIFSMaxBufSize + MAX_HEADER_SIZE(server) -
@@ -881,6 +881,7 @@ cifs_demultiplex_thread(void *p)
* so we can now interpret the length field.
*/
pdu_length = get_rfc1002_length(buf);
+ server->pdu_size = pdu_length;
cifs_dbg(FYI, "RFC1002 header 0x%x\n", pdu_length);
if (!is_smb_response(server, buf[0]))
@@ -927,6 +928,7 @@ cifs_demultiplex_thread(void *p)
server->lstrp = jiffies;
if (mid_entry != NULL) {
+ mid_entry->resp_buf_size = server->pdu_size;
if ((mid_entry->mid_flags & MID_WAIT_CANCELLED) &&
mid_entry->mid_state == MID_RESPONSE_RECEIVED &&
server->ops->handle_cancelled_mid)