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net: drop_monitor: use IS_REACHABLE() to guard net_dm_hw_report()

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[ Upstream commit 1cd9b3abf5332102d4d967555e7ed861a75094bf ]

In net/Kconfig, NET_DEVLINK implies NET_DROP_MONITOR.

The original behavior of the 'imply' keyword prevents NET_DROP_MONITOR
from being 'm' when NET_DEVLINK=y.

With the planned Kconfig change that relaxes the 'imply', the
combination of NET_DEVLINK=y and NET_DROP_MONITOR=m would be allowed.

Use IS_REACHABLE() to avoid the vmlinux link error for this case.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Masahiro Yamada 2020-03-11 15:29:25 +09:00 committed by Greg Kroah-Hartman
parent 87863a7426
commit 3c140d22e3
1 changed files with 1 additions and 1 deletions
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2
include/net/drop_monitor.h
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@ -19,7 +19,7 @@ struct net_dm_hw_metadata {
struct net_device *input_dev;
};
#if IS_ENABLED(CONFIG_NET_DROP_MONITOR)
#if IS_REACHABLE(CONFIG_NET_DROP_MONITOR)
void net_dm_hw_report(struct sk_buff *skb,
const struct net_dm_hw_metadata *hw_metadata);
#else