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Commit efeb5879 authored by Wolfram Sang's avatar Wolfram Sang Committed by Greg Kroah-Hartman
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media: usb: hdpvr: disable zero-length read messages



[ Upstream commit b5ae5a79825ba8037b0be3ef677a24de8c063abf ]

This driver passes the length of an i2c_msg directly to
usb_control_msg(). If the message is now a read and of length 0, it
violates the USB protocol and a warning will be printed. Enable the
I2C_AQ_NO_ZERO_LEN_READ quirk for this adapter thus forbidding 0-length
read messages altogether.

Signed-off-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 44070233
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