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authorJens Axboe <axboe@kernel.dk>2013-07-02 08:31:48 +0200
committerJens Axboe <axboe@kernel.dk>2013-07-02 08:31:48 +0200
commit5f0e5afa0de4522abb3ea7d1369039b94e740ec5 (patch)
tree6a5be3db9ecfed8ef2150c6146f6d1e0d658ac8b /drivers/usb/core/devio.c
parentd752b2696072ed52fd5afab08b601e2220a3b87e (diff)
parent9e895ace5d82df8929b16f58e9f515f6d54ab82d (diff)
Merge tag 'v3.10-rc7' into for-3.11/drivers
Linux 3.10-rc7 Pull this in early to avoid doing it with the bcache merge, since there are a number of changes to bcache between my old base (3.10-rc1) and the new pull request.
Diffstat (limited to 'drivers/usb/core/devio.c')
-rw-r--r--drivers/usb/core/devio.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index caefc800f29..c88c4fb9459 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,
goto error;
}
for (totlen = u = 0; u < uurb->number_of_packets; u++) {
- /* arbitrary limit,
- * sufficient for USB 2.0 high-bandwidth iso */
- if (isopkt[u].length > 8192) {
+ /*
+ * arbitrary limit need for USB 3.0
+ * bMaxBurst (0~15 allowed, 1~16 packets)
+ * bmAttributes (bit 1:0, mult 0~2, 1~3 packets)
+ * sizemax: 1024 * 16 * 3 = 49152
+ */
+ if (isopkt[u].length > 49152) {
ret = -EINVAL;
goto error;
}