[PATCH 5.13 076/151] psample: Add a fwd declaration for skbuff

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From: Roi Dayan <roid@xxxxxxxxxx>

[ Upstream commit beb7f2de5728b0bd2140a652fa51f6ad85d159f7 ]

Without this there is a warning if source files include psample.h
before skbuff.h or doesn't include it at all.

Fixes: 6ae0a6286171 ("net: Introduce psample, a new genetlink channel for packet sampling")
Signed-off-by: Roi Dayan <roid@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20210808065242.1522535-1-roid@xxxxxxxxxx
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 include/net/psample.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/net/psample.h b/include/net/psample.h
index e328c5127757..0509d2d6be67 100644
--- a/include/net/psample.h
+++ b/include/net/psample.h
@@ -31,6 +31,8 @@ struct psample_group *psample_group_get(struct net *net, u32 group_num);
 void psample_group_take(struct psample_group *group);
 void psample_group_put(struct psample_group *group);
 
+struct sk_buff;
+
 #if IS_ENABLED(CONFIG_PSAMPLE)
 
 void psample_sample_packet(struct psample_group *group, struct sk_buff *skb,
-- 
2.30.2






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