Commit 0a14a130 authored by Oleg Nesterov's avatar Oleg Nesterov Committed by Linus Torvalds

INIT_SIGHAND: use SIG_DFL instead of NULL

Cosmetic, no changes in the compiled code. Just s/NULL/SIG_DFL/ to make
it more readable and grep-friendly.

Note: probably SIG_IGN makes more sense, we could kill ignore_signals().
But then kernel_init() should do flush_signal_handlers() before exec().
Signed-off-by: default avatarOleg Nesterov <oleg@redhat.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>
Cc: Dave Hansen <haveblue@us.ibm.com>
Cc: Eric Biederman <ebiederm@xmission.com>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Cc: Mathias Krause <Mathias.Krause@secunet.com>
Acked-by: default avatarRoland McGrath <roland@redhat.com>
Acked-by: default avatarSerge Hallyn <serue@us.ibm.com>
Cc: Sukadev Bhattiprolu <sukadev@us.ibm.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent f106eee1
...@@ -35,7 +35,7 @@ extern struct nsproxy init_nsproxy; ...@@ -35,7 +35,7 @@ extern struct nsproxy init_nsproxy;
#define INIT_SIGHAND(sighand) { \ #define INIT_SIGHAND(sighand) { \
.count = ATOMIC_INIT(1), \ .count = ATOMIC_INIT(1), \
.action = { { { .sa_handler = NULL, } }, }, \ .action = { { { .sa_handler = SIG_DFL, } }, }, \
.siglock = __SPIN_LOCK_UNLOCKED(sighand.siglock), \ .siglock = __SPIN_LOCK_UNLOCKED(sighand.siglock), \
.signalfd_wqh = __WAIT_QUEUE_HEAD_INITIALIZER(sighand.signalfd_wqh), \ .signalfd_wqh = __WAIT_QUEUE_HEAD_INITIALIZER(sighand.signalfd_wqh), \
} }
......
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