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net: Dereference pointer-value of sk_prot->memory_pressure

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2e685cad57 (tcp_memcontrol: Kill struct tcp_memcontrol) falsly modified
the access to memory_pressure of sk->sk_prot->memory_pressure. The patch
did modify the memory_pressure-field of struct cg_proto, but not the one
of struct proto.

So, the access to sk_prot->memory_pressure should not be changed.

Acked-by: Eric Dumazet <edumazet@google.com>
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Christoph Paasch <christoph.paasch@uclouvain.be>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Christoph Paasch 2013-10-23 12:49:21 -07:00 committed by David S. Miller
parent 47d4ab91e4
commit 35b87f6c13
1 changed files with 1 additions and 1 deletions
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2
include/net/sock.h
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@ -1137,7 +1137,7 @@ static inline bool sk_under_memory_pressure(const struct sock *sk)
if (mem_cgroup_sockets_enabled && sk->sk_cgrp)
return !!sk->sk_cgrp->memory_pressure;
return !!sk->sk_prot->memory_pressure;
return !!*sk->sk_prot->memory_pressure;
}
static inline void sk_leave_memory_pressure(struct sock *sk)