diff options
Diffstat (limited to 'drivers/usb/core/devio.c')
-rw-r--r-- | drivers/usb/core/devio.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index caefc800f298..c88c4fb9459d 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c | |||
@@ -1287,9 +1287,13 @@ static int proc_do_submiturb(struct dev_state *ps, struct usbdevfs_urb *uurb, | |||
1287 | goto error; | 1287 | goto error; |
1288 | } | 1288 | } |
1289 | for (totlen = u = 0; u < uurb->number_of_packets; u++) { | 1289 | for (totlen = u = 0; u < uurb->number_of_packets; u++) { |
1290 | /* arbitrary limit, | 1290 | /* |
1291 | * sufficient for USB 2.0 high-bandwidth iso */ | 1291 | * arbitrary limit need for USB 3.0 |
1292 | if (isopkt[u].length > 8192) { | 1292 | * bMaxBurst (0~15 allowed, 1~16 packets) |
1293 | * bmAttributes (bit 1:0, mult 0~2, 1~3 packets) | ||
1294 | * sizemax: 1024 * 16 * 3 = 49152 | ||
1295 | */ | ||
1296 | if (isopkt[u].length > 49152) { | ||
1293 | ret = -EINVAL; | 1297 | ret = -EINVAL; |
1294 | goto error; | 1298 | goto error; |
1295 | } | 1299 | } |