gigaset: handle isoc frame errors more gracefully
Don't drop the remainder of an URB if an isochronous frame has an error. Impact: error handling improvement Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
ee239d9901
commit
eb4459ff3a
|
@ -1331,28 +1331,24 @@ static void read_iso_tasklet(unsigned long data)
|
|||
rcvbuf = urb->transfer_buffer;
|
||||
totleft = urb->actual_length;
|
||||
for (frame = 0; totleft > 0 && frame < BAS_NUMFRAMES; frame++) {
|
||||
if (unlikely(urb->iso_frame_desc[frame].status)) {
|
||||
numbytes = urb->iso_frame_desc[frame].actual_length;
|
||||
if (unlikely(urb->iso_frame_desc[frame].status))
|
||||
dev_warn(cs->dev,
|
||||
"isochronous read: frame %d: %s\n",
|
||||
frame,
|
||||
"isochronous read: frame %d[%d]: %s\n",
|
||||
frame, numbytes,
|
||||
get_usb_statmsg(
|
||||
urb->iso_frame_desc[frame].status));
|
||||
break;
|
||||
}
|
||||
numbytes = urb->iso_frame_desc[frame].actual_length;
|
||||
if (unlikely(numbytes > BAS_MAXFRAME)) {
|
||||
if (unlikely(numbytes > BAS_MAXFRAME))
|
||||
dev_warn(cs->dev,
|
||||
"isochronous read: frame %d: "
|
||||
"numbytes (%d) > BAS_MAXFRAME\n",
|
||||
frame, numbytes);
|
||||
break;
|
||||
}
|
||||
if (unlikely(numbytes > totleft)) {
|
||||
dev_warn(cs->dev,
|
||||
"isochronous read: frame %d: "
|
||||
"numbytes (%d) > totleft (%d)\n",
|
||||
frame, numbytes, totleft);
|
||||
break;
|
||||
numbytes = totleft;
|
||||
}
|
||||
offset = urb->iso_frame_desc[frame].offset;
|
||||
if (unlikely(offset + numbytes > BAS_INBUFSIZE)) {
|
||||
|
@ -1361,7 +1357,7 @@ static void read_iso_tasklet(unsigned long data)
|
|||
"offset (%d) + numbytes (%d) "
|
||||
"> BAS_INBUFSIZE\n",
|
||||
frame, offset, numbytes);
|
||||
break;
|
||||
numbytes = BAS_INBUFSIZE - offset;
|
||||
}
|
||||
gigaset_isoc_receive(rcvbuf + offset, numbytes, bcs);
|
||||
totleft -= numbytes;
|
||||
|
|
Loading…
Reference in a new issue