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r8169: fix data corruption issue on RTL8402 

[ Upstream commit ef9da46dde ]

Petr reported that after resume from suspend RTL8402 partially
truncates incoming packets, and re-initializing register RxConfig
before the actual chip re-initialization sequence is needed to avoid
the issue.

Reported-by: Petr Tesarik <ptesarik@suse.cz>
Proposed-by: Petr Tesarik <ptesarik@suse.cz>
Tested-by: Petr Tesarik <ptesarik@suse.cz>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
Heiner Kallweit 2020-10-01 09:23:02 +02:00 committed by Greg Kroah-Hartman
parent c5b868eecb
commit 5f269cb9e5
1 changed files with 4 additions and 0 deletions
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4
drivers/net/ethernet/realtek/r8169_main.c
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@ -5514,6 +5514,10 @@ static int rtl8169_change_mtu(struct net_device *dev, int new_mtu)
dev->mtu = new_mtu;
netdev_update_features(dev);
/* Reportedly at least Asus X453MA truncates packets otherwise */
if (tp->mac_version == RTL_GIGA_MAC_VER_37)
rtl_init_rxcfg(tp);
return 0;
}