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OpenCloudOS-Kernel
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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 <andrey.shvetsov@k2l.de>
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christian Gromm 2015-09-28 17:18:34 +02:00 committed by Greg Kroah-Hartman
parent 3032ab931b
commit 9161e9311c
1 changed files with 2 additions and 1 deletions
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3
drivers/staging/most/hdm-usb/hdm_usb.c
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@ -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;
}