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    Subject[PATCH 5.15 159/171] ipv4: remove sparse error in ip_neigh_gw4()
    Date
    From: Eric Dumazet <edumazet@google.com>

    [ Upstream commit 3c42b2019863b327caa233072c50739d4144dd16 ]

    ./include/net/route.h:373:48: warning: incorrect type in argument 2 (different base types)
    ./include/net/route.h:373:48: expected unsigned int [usertype] key
    ./include/net/route.h:373:48: got restricted __be32 [usertype] daddr

    Fixes: 5c9f7c1dfc2e ("ipv4: Add helpers for neigh lookup for nexthop")
    Signed-off-by: Eric Dumazet <edumazet@google.com>
    Reviewed-by: David Ahern <dsahern@kernel.org>
    Link: https://lore.kernel.org/r/20220127013404.1279313-1-eric.dumazet@gmail.com
    Signed-off-by: Jakub Kicinski <kuba@kernel.org>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    include/net/route.h | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/include/net/route.h b/include/net/route.h
    index 2e6c0e153e3a5..2551f3f03b37e 100644
    --- a/include/net/route.h
    +++ b/include/net/route.h
    @@ -369,7 +369,7 @@ static inline struct neighbour *ip_neigh_gw4(struct net_device *dev,
    {
    struct neighbour *neigh;

    - neigh = __ipv4_neigh_lookup_noref(dev, daddr);
    + neigh = __ipv4_neigh_lookup_noref(dev, (__force u32)daddr);
    if (unlikely(!neigh))
    neigh = __neigh_create(&arp_tbl, &daddr, dev, false);

    --
    2.34.1


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