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authorIdo Schimmel <idosch@mellanox.com>2015-12-03 14:12:03 +0300
committerDavid S. Miller <davem@davemloft.net>2015-12-03 19:49:23 +0300
commitb03804e7c3ad41c265c0ca21ddb306b252b4f99f (patch)
treea887cd7567a12b2c87f5d9e01bacc75c461f7231 /Documentation/fault-injection
parent3b195843f59b8aefdc15c689615745bf6758756c (diff)
downloadlinux-b03804e7c3ad41c265c0ca21ddb306b252b4f99f.tar.xz
net: Check CHANGEUPPER notifier return value
switchdev drivers reflect the newly requested topology to hardware when CHANGEUPPER is received, after software links were already formed. However, the operation can fail and user will not be notified, as the return value of the notifier is not checked. Add this check and rollback software links if necessary. Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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