From 8f12d0a4eb7c55837f0104c95c60933dc9c593db Mon Sep 17 00:00:00 2001 From: Uri Shkolnik Date: Tue, 12 May 2009 11:28:41 -0300 Subject: 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 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/siano/smsusb.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/drivers/media/dvb/siano/smsusb.c b/drivers/media/dvb/siano/smsusb.c index 1bcd0eff4b16..4fa38bd83887 100644 --- a/drivers/media/dvb/siano/smsusb.c +++ b/drivers/media/dvb/siano/smsusb.c @@ -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); -- cgit v1.2.3-55-g7522