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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-03-19 16:08:51 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-03-19 16:08:51 +0100
commit1c6d58b8a03b656bfe4c6930a7d6052782c0bc89 (patch)
tree70991c25d188f5b1cd6f5d84f9f352ec2fa2effa /net/core/neighbour.c
parent744943ac89cd209aec9414dd751c53528d5757e7 (diff)
parent4aea1dc4cad17cd146072e13b1fd404f32b8b3ef (diff)
Merge v6.18.19linux-rolling-lts
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net/core/neighbour.c')
-rw-r--r--net/core/neighbour.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index bddfa389effa..6dab4d1c2263 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -821,7 +821,8 @@ int pneigh_create(struct neigh_table *tbl, struct net *net,
update:
WRITE_ONCE(n->flags, flags);
n->permanent = permanent;
- WRITE_ONCE(n->protocol, protocol);
+ if (protocol)
+ WRITE_ONCE(n->protocol, protocol);
out:
mutex_unlock(&tbl->phash_lock);
return err;