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inet: ping: avoid skb_clone() dance in ping_rcv()
authorEric Dumazet <edumazet@google.com>
Wed, 26 Feb 2025 18:34:37 +0000 (18:34 +0000)
committerJakub Kicinski <kuba@kernel.org>
Fri, 28 Feb 2025 22:41:33 +0000 (14:41 -0800)
commita7e38208fe71498102de3ea9d20cfe847cdb6893
tree1c89d52177ad3d603bc2b015020c78b153686fedtree
parentdaeb6a8f3b00d3b6f40593d80ab6be4f6d3d968dcommit | diff
inet: ping: avoid skb_clone() dance in ping_rcv()

ping_rcv() callers currently call skb_free() or consume_skb(),
forcing ping_rcv() to clone the skb.

After this patch ping_rcv() is now 'consuming' the original skb,
either moving to a socket receive queue, or dropping it.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://patch.msgid.link/20250226183437.1457318-3-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
net/ipv4/icmp.c diff | blob | history
net/ipv4/ping.c diff | blob | history
net/ipv6/icmp.c diff | blob | history
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