diff options
Diffstat (limited to 'drivers/usb/misc/usbtest.c')
| -rw-r--r-- | drivers/usb/misc/usbtest.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index 9d59b901841c..ccc5e8238bd8 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -381,6 +381,7 @@ alloc_sglist (int nents, int max, int vary) for (i = 0; i < nents; i++) { char *buf; + unsigned j; buf = kzalloc (size, SLAB_KERNEL); if (!buf) { @@ -391,6 +392,16 @@ alloc_sglist (int nents, int max, int vary) /* kmalloc pages are always physically contiguous! */ sg_init_one(&sg[i], buf, size); + switch (pattern) { + case 0: + /* already zeroed */ + break; + case 1: + for (j = 0; j < size; j++) + *buf++ = (u8) (j % 63); + break; + } + if (vary) { size += vary; size %= max; @@ -425,6 +436,8 @@ static int perform_sglist ( usb_sg_wait (req); retval = req->status; + /* FIXME check resulting data pattern */ + /* FIXME if endpoint halted, clear halt (and log) */ } |