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V4L/DVB (11778): Siano: smsusb - lost buffers bug fix 

This patch fixes a problem were protocol buffers
have been lost during USB disconnect events.

Signed-off-by: Uri Shkolnik <uris@siano-ms.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Uri Shkolnik 2009-05-12 11:28:41 -03:00 committed by Mauro Carvalho Chehab
parent c7ce8d37a7
commit 8f12d0a4eb
1 changed files with 8 additions and 5 deletions
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13
drivers/media/dvb/siano/smsusb.c
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@ -65,14 +65,14 @@ static void smsusb_onresponse(struct urb *urb)
struct smsusb_urb_t *surb = (struct smsusb_urb_t *) urb->context;
struct smsusb_device_t *dev = surb->dev;
if (urb->status < 0) {
sms_err("error, urb status %d, %d bytes",
if (urb->status == -ESHUTDOWN) {
sms_err("error, urb status %d (-ESHUTDOWN), %d bytes",
urb->status, urb->actual_length);
return;
}
if (urb->actual_length > 0) {
struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) surb->cb->p;
if ((urb->actual_length > 0) && (urb->status == 0)) {
struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *)surb->cb->p;
smsendian_handle_message_header(phdr);
if (urb->actual_length >= phdr->msgLength) {
@ -111,7 +111,10 @@ static void smsusb_onresponse(struct urb *urb)
"msglen %d actual %d",
phdr->msgLength, urb->actual_length);
}
}
} else
sms_err("error, urb status %d, %d bytes",
urb->status, urb->actual_length);
exit_and_resubmit:
smsusb_submit_urb(dev, surb);