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nexthop: allow nexthop_mpath_fill_node() to be called without RTNL

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nexthop_mpath_fill_node() will be potentially called
from contexts holding rcu_lock instead of RTNL.

Suggested-by: Ido Schimmel <idosch@nvidia.com>
Link: https://lore.kernel.org/all/ZdZDWVdjMaQkXBgW@shredder/
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2024-02-22 10:50:18 +00:00 committed by David S. Miller
parent 22e36ea9f5
commit 0ac3fa0c3b
1 changed files with 1 additions and 1 deletions
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2
include/net/nexthop.h
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@ -317,7 +317,7 @@ static inline
int nexthop_mpath_fill_node(struct sk_buff *skb, struct nexthop *nh,
u8 rt_family)
{
struct nh_group *nhg = rtnl_dereference(nh->nh_grp);
struct nh_group *nhg = rcu_dereference_rtnl(nh->nh_grp);
int i;
for (i = 0; i < nhg->num_nh; i++) {