kernel/linux.git/lib/netdev-notifier-error-inject.c, branch v6.12.80

treewide: Add SPDX license identifier for more missed files

2019-05-21T08:50:45+00:00

Add SPDX license identifiers to all files which: - Have no license information of any form - Have MODULE_LICENCE("GPL*") inside which was used in the initial scan/conversion to ignore the file These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner Signed-off-by: Greg Kroah-Hartman

net: Add support for CHANGEUPPER notifier error injection

2015-12-03T16:49:23+00:00

Since CHANGEUPPER can now fail, add support for it in the newly introduced netdev notifier error injection infrastructure. Signed-off-by: Ido Schimmel Signed-off-by: Jiri Pirko Acked-by: Nikolay Aleksandrov Signed-off-by: David S. Miller

net: add support for netdev notifier error injection

2015-12-01T20:31:57+00:00

This module allows to insert errors in some of netdevice's notifier events. All network drivers use these notifiers to signal various events and to check if they are allowed, e.g. PRECHANGEMTU and CHANGEMTU afterwards. Until recently I had to run failure tests by injecting a custom module, but now this infrastructure makes it trivial to test these failure paths. Some of the recent bugs I fixed were found using this module. Here's an example: $ cd /sys/kernel/debug/notifier-error-inject/netdev $ echo -22 > actions/NETDEV_CHANGEMTU/error $ ip link set eth0 mtu 1024 RTNETLINK answers: Invalid argument CC: Akinobu Mita CC: "David S. Miller" CC: netdev Signed-off-by: Nikolay Aleksandrov Signed-off-by: David S. Miller