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authorMark Brown <broonie@linaro.org>2013-06-14 10:16:06 +0100
committerMark Brown <broonie@linaro.org>2013-06-14 10:16:06 +0100
commit384b8345589cbbb18a99ce1b112da90c58c802e8 (patch)
tree51fee39fa19adad6b24fb90123e7a0ca3159c9c5 /drivers/usb/core/devio.c
parent9c24b1672283644adf871244771ebf387dd73f90 (diff)
parent2e7ee15ced914e109a1a5b6dfcd463d846a13bd5 (diff)
Merge branch 'fix/wm8962' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-wm8962
Conflicts: sound/soc/codecs/wm8962.c
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;
}