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(parent: 5e6300e) | patch
mptcp: annotate data-races around msk->rmem_fwd_alloc
authorEric Dumazet <edumazet@google.com>
Thu, 31 Aug 2023 13:52:10 +0000 (13:52 +0000)
committerDavid S. Miller <davem@davemloft.net>
Fri, 1 Sep 2023 06:27:33 +0000 (07:27 +0100)
commit9531e4a83febc3fb47ac77e24cfb5ea97e50034d
treee840aa2a06bb4c1a2a0dee027a6d256681a52020tree | snapshot
parent5e6300e7b3a4ab5b72a82079753868e91fbf9efccommit | diff
mptcp: annotate data-races around msk->rmem_fwd_alloc

msk->rmem_fwd_alloc can be read locklessly.

Add mptcp_rmem_fwd_alloc_add(), similar to sk_forward_alloc_add(),
and appropriate READ_ONCE()/WRITE_ONCE() annotations.

Fixes: 6511882cdd82 ("mptcp: allocate fwd memory separately on the rx and tx path")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/mptcp/protocol.c diff | blob | history
Domain: System / Kernel;