diff options
| author | Pavel Shilovsky <pshilov@microsoft.com> | 2017-04-10 10:31:33 -0700 |
|---|---|---|
| committer | Steve French <smfrench@gmail.com> | 2017-04-10 23:36:38 -0500 |
| commit | 350be257ea83029daee974c72b1fe2e6f1f8e615 (patch) | |
| tree | c02cd0c1e5bdf4b1cb58b4dcd307f508f02fda73 /fs/cifs/cifsproto.h | |
| parent | c08e611b7d0169b513e3b4515ffd51ac7f37f22c (diff) | |
CIFS: Fix null pointer deref during read resp processing
Currently during receiving a read response mid->resp_buf can be
NULL when it is being passed to cifs_discard_remaining_data() from
cifs_readv_discard(). Fix it by always passing server->smallbuf
instead and initializing mid->resp_buf at the end of read response
processing.
Signed-off-by: Pavel Shilovsky <pshilov@microsoft.com>
CC: Stable <stable@vger.kernel.org>
Acked-by: Sachin Prabhu <sprabhu@redhat.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Diffstat (limited to 'fs/cifs/cifsproto.h')
| -rw-r--r-- | fs/cifs/cifsproto.h | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index ec5e5e514fdd..97e5d236d265 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -79,8 +79,7 @@ extern void cifs_delete_mid(struct mid_q_entry *mid); extern void cifs_wake_up_task(struct mid_q_entry *mid); extern int cifs_handle_standard(struct TCP_Server_Info *server, struct mid_q_entry *mid); -extern int cifs_discard_remaining_data(struct TCP_Server_Info *server, - char *buf); +extern int cifs_discard_remaining_data(struct TCP_Server_Info *server); extern int cifs_call_async(struct TCP_Server_Info *server, struct smb_rqst *rqst, mid_receive_t *receive, mid_callback_t *callback, |