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| /openbmc/linux/drivers/net/usb/ |
| H A D | ipheth.c | diff c2fb33a7fed5d88f0c446b6136fe491affbbb8bc Tue Aug 06 12:28:06 CDT 2024 Foster Snowhill <forst@pen.gy> usbnet: ipheth: remove extraneous rx URB length check
[ Upstream commit 655b46d7a39ac6f049698b27c1568c0f7ff85d1e ]
Rx URB length was already checked in ipheth_rcvbulk_callback_legacy()
and ipheth_rcvbulk_callback_ncm(), depending on the current mode.
The check in ipheth_rcvbulk_callback() was thus mostly a duplicate.
The only place in ipheth_rcvbulk_callback() where we care about the URB
length is for the initial control frame. These frames are always 4 bytes
long. This has been checked as far back as iOS 4.2.1 on iPhone 3G.
Remove the extraneous URB length check. For control frames, check for
the specific 4-byte length instead.
Signed-off-by: Foster Snowhill <forst@pen.gy>
Tested-by: Georgi Valkov <gvalkov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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