From 9161e9311c29e905c8b1cf9f10f5010239d49975 Mon Sep 17 00:00:00 2001 From: Christian Gromm Date: Mon, 28 Sep 2015 17:18:34 +0200 Subject: [PATCH] staging: most: fix USB babble on IN pipe This patch prevents the HDM USB from submitting an URB with a buffer size unaligned to 512 bytes to the USB subsystem. Signed-off-by: Andrey Shvetsov Signed-off-by: Christian Gromm Signed-off-by: Greg Kroah-Hartman --- drivers/staging/most/hdm-usb/hdm_usb.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/staging/most/hdm-usb/hdm_usb.c b/drivers/staging/most/hdm-usb/hdm_usb.c index 9bbefaaa0134..9006793aec64 100644 --- a/drivers/staging/most/hdm-usb/hdm_usb.c +++ b/drivers/staging/most/hdm-usb/hdm_usb.c @@ -711,7 +711,7 @@ static int hdm_enqueue(struct most_interface *iface, int channel, struct mbo *mb usb_rcvbulkpipe(mdev->usb_device, mdev->ep_address[channel]), virt_address, - length, + length + conf->extra_len, hdm_read_completion, mbo); } @@ -771,6 +771,7 @@ static int hdm_configure_channel(struct most_interface *iface, int channel, !((conf->data_type == MOST_CH_ISOC_AVP) && (conf->packets_per_xact != 0xFF))) { mdev->padding_active[channel] = false; + conf->extra_len = 0; goto exit; } -- 2.34.1