diff options
Diffstat (limited to 'kernel/drivers/usb/misc/usbtest.c')
| -rw-r--r-- | kernel/drivers/usb/misc/usbtest.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/kernel/drivers/usb/misc/usbtest.c b/kernel/drivers/usb/misc/usbtest.c index 637f3f7cf..1624b09d9 100644 --- a/kernel/drivers/usb/misc/usbtest.c +++ b/kernel/drivers/usb/misc/usbtest.c @@ -505,6 +505,7 @@ static struct scatterlist * alloc_sglist(int nents, int max, int vary, struct usbtest_dev *dev, int pipe) { struct scatterlist *sg; + unsigned int n_size = 0; unsigned i; unsigned size = max; unsigned maxpacket = @@ -537,7 +538,8 @@ alloc_sglist(int nents, int max, int vary, struct usbtest_dev *dev, int pipe) break; case 1: for (j = 0; j < size; j++) - *buf++ = (u8) ((j % maxpacket) % 63); + *buf++ = (u8) (((j + n_size) % maxpacket) % 63); + n_size += size; break; } @@ -556,7 +558,6 @@ static void sg_timeout(unsigned long _req) { struct usb_sg_request *req = (struct usb_sg_request *) _req; - req->status = -ETIMEDOUT; usb_sg_cancel(req); } @@ -587,8 +588,10 @@ static int perform_sglist( mod_timer(&sg_timer, jiffies + msecs_to_jiffies(SIMPLE_IO_TIMEOUT)); usb_sg_wait(req); - del_timer_sync(&sg_timer); - retval = req->status; + if (!del_timer_sync(&sg_timer)) + retval = -ETIMEDOUT; + else + retval = req->status; /* FIXME check resulting data pattern */ |