diff options
author | Bjørn Mork <bjorn@mork.no> | 2017-11-06 15:37:22 +0100 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-11-24 08:33:40 +0100 |
commit | f376621861e3d8a713d6931f4363c4137912330b (patch) | |
tree | 806b9c145e42daaf2a7e4ca664a19298712c4e66 /drivers/net/usb/smsc95xx.c | |
parent | 6f239c0655cfe90c3e048bccb2e74ab1780cabba (diff) |
net: cdc_ether: fix divide by 0 on bad descriptors
[ Upstream commit 2cb80187ba065d7decad7c6614e35e07aec8a974 ]
Setting dev->hard_mtu to 0 will cause a divide error in
usbnet_probe. Protect against devices with bogus CDC Ethernet
functional descriptors by ignoring a zero wMaxSegmentSize.
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Acked-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/usb/smsc95xx.c')
0 files changed, 0 insertions, 0 deletions