| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.14 126/496] smsc75xx: fix smsc75xx_set_features() | Date | Mon, 28 May 2018 11:58:31 +0200 |
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4.14-stable review patch. If anyone has any objections, please let me know.
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From: Eric Dumazet <edumazet@google.com>
[ Upstream commit 88e80c62671ceecdbb77c902731ec95a4bfa62f9 ]
If an attempt is made to disable RX checksums, USB adapter is changed but netdev->features is not, because smsc75xx_set_features() returns a non zero value.
This throws errors from netdev_rx_csum_fault() : <devname>: hw csum failure
Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Steve Glendinning <steve.glendinning@shawell.net> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/net/usb/smsc75xx.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)
--- a/drivers/net/usb/smsc75xx.c +++ b/drivers/net/usb/smsc75xx.c @@ -954,10 +954,11 @@ static int smsc75xx_set_features(struct /* it's racing here! */ ret = smsc75xx_write_reg(dev, RFE_CTL, pdata->rfe_ctl); - if (ret < 0) + if (ret < 0) { netdev_warn(dev->net, "Error writing RFE_CTL\n"); - - return ret; + return ret; + } + return 0; } static int smsc75xx_wait_ready(struct usbnet *dev, int in_pm)
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