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kernel/signal.c: use __ARCH_HAS_SA_RESTORER instead of SA_RESTORER
__ARCH_HAS_SA_RESTORER is the preferred conditional for use in 3.9 and later kernels, per Kees. Cc: Emese Revfy <re.emese@gmail.com> Cc: Emese Revfy <re.emese@gmail.com> Cc: PaX Team <pageexec@freemail.hu> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Oleg Nesterov <oleg@redhat.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: Serge Hallyn <serge.hallyn@canonical.com> Cc: Julien Tinnes <jln@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -485,7 +485,7 @@ flush_signal_handlers(struct task_struct *t, int force_default)
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if (force_default || ka->sa.sa_handler != SIG_IGN)
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ka->sa.sa_handler = SIG_DFL;
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ka->sa.sa_flags = 0;
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#ifdef SA_RESTORER
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#ifdef __ARCH_HAS_SA_RESTORER
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ka->sa.sa_restorer = NULL;
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#endif
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sigemptyset(&ka->sa.sa_mask);
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