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-rw-r--r--drivers/usb/misc/usbtest.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
index 9d59b901841..ccc5e8238bd 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) */
}