leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

USB: serial: keyspan: Fix possible null pointer dereference.

Browse Source 
Signed-off-by: Huzaifa Sidhpurwala <huzaifas@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Huzaifa Sidhpurwala 2011-02-21 12:58:44 +05:30 committed by Greg Kroah-Hartman
parent 108be95f9f
commit d866150a19
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
drivers/usb/serial/keyspan.c
View File

@ -2121,16 +2121,16 @@ static int keyspan_usa49_send_setup(struct usb_serial *serial,
/* Work out which port within the device is being setup */
device_port = port->number - port->serial->minor;
dbg("%s - endpoint %d port %d (%d)",
__func__, usb_pipeendpoint(this_urb->pipe),
port->number, device_port);
/* Make sure we have an urb then send the message */
/* Make sure we have an urb then send the message */
if (this_urb == NULL) {
dbg("%s - oops no urb for port %d.", __func__, port->number);
return -1;
}
dbg("%s - endpoint %d port %d (%d)",
__func__, usb_pipeendpoint(this_urb->pipe),
port->number, device_port);
/* Save reset port val for resend.
Don't overwrite resend for open/close condition. */
if ((reset_port + 1) > p_priv->resend_cont)