projects / linux.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 102ccb9) | patch
net: cdc_ether: fix divide by 0 on bad descriptors
authorBjørn Mork <bjorn@mork.no>
Mon, 6 Nov 2017 14:37:22 +0000 (15:37 +0100)
committerBen Hutchings <ben@decadent.org.uk>
Thu, 16 Nov 2017 21:04:10 +0000 (21:04 +0000)
commit8ee6e749253d24d414c556979d563cbca45928a6
tree8d0de3c65f297493f19f1a07c3cbd94e297fe401tree | snapshot
parent102ccb91902a8b384096eabb892adfeacfdd2c11commit | diff
net: cdc_ether: fix divide by 0 on bad descriptors

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>
Gbp-Pq: Topic bugfix/all
Gbp-Pq: Name net-cdc_ether-fix-divide-by-0-on-bad-descriptors.patch
drivers/net/usb/cdc_ether.c diff | blob | history
Unnamed repository; edit this file 'description' to name the repository.