diff options
| author | Bjørn Mork <bjorn@mork.no> | 2017-11-06 15:37:22 +0100 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2017-11-26 13:51:11 +0000 |
| commit | d7d24810ac55e2f3fb213d6acf80016a0d337c50 (patch) | |
| tree | f8364ad886f9f76c8628a55b1ae1d181c53f6703 /lib/string_helpers.c | |
| parent | 2de544fd1b16f76f8dd1213d585ce611155ccd34 (diff) | |
net: cdc_ether: fix divide by 0 on bad descriptors
commit 2cb80187ba065d7decad7c6614e35e07aec8a974 upstream.
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>
[bwh: Backported to 3.2: parsing code is organised differently]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'lib/string_helpers.c')
0 files changed, 0 insertions, 0 deletions