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authorPavel Shilovsky <pshilov@microsoft.com>2016-11-18 03:20:23 +0300
committerSteve French <smfrench@gmail.com>2017-02-02 01:46:37 +0300
commitc42a6abe3012832a68a371dabe17c2ced97e62ad (patch)
tree246468bd79c68f8d08b6e1c0499af332e20b48e7 /fs/cifs/cifssmb.c
parent4326ed2f6a16ae9d33e4209b540dc9a371aba840 (diff)
downloadlinux-c42a6abe3012832a68a371dabe17c2ced97e62ad.tar.xz
CIFS: Add capability to decrypt big read responses
Allow to decrypt transformed packets that are bigger than the big buffer size. In particular it is used for read responses that can only exceed the big buffer size. Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
Diffstat (limited to 'fs/cifs/cifssmb.c')
-rw-r--r--fs/cifs/cifssmb.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index d4b92e33d50c..f5099fb8a22f 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -1399,8 +1399,8 @@ openRetry:
* Discard any remaining data in the current SMB. To do this, we borrow the
* current bigbuf.
*/
-static int
-discard_remaining_data(struct TCP_Server_Info *server)
+int
+cifs_discard_remaining_data(struct TCP_Server_Info *server)
{
unsigned int rfclen = get_rfc1002_length(server->smallbuf);
int remaining = rfclen + 4 - server->total_read;
@@ -1426,7 +1426,7 @@ cifs_readv_discard(struct TCP_Server_Info *server, struct mid_q_entry *mid)
int length;
struct cifs_readdata *rdata = mid->callback_data;
- length = discard_remaining_data(server);
+ length = cifs_discard_remaining_data(server);
dequeue_mid(mid, rdata->result);
return length;
}
@@ -1459,7 +1459,7 @@ cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid)
if (server->ops->is_status_pending &&
server->ops->is_status_pending(buf, server, 0)) {
- discard_remaining_data(server);
+ cifs_discard_remaining_data(server);
return -1;
}