diff options
| author | Oleg Nesterov <oleg@redhat.com> | 2012-05-11 10:57:58 +1000 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-05-21 23:52:36 -0400 |
| commit | 49209590cb1cdd30b35edd65535184e39bfbab99 (patch) | |
| tree | c23f46a276ed0b04abe85b6ab460c7133d4e3d21 /arch/avr32/kernel | |
| parent | e1b1fd79a04396d5ec971e9e4d4711b5a58ad7e3 (diff) | |
| download | linux-49209590cb1cdd30b35edd65535184e39bfbab99.tar.bz2 | |
avr32: use set_current_blocked() in handle_signal/sys_rt_sigreturn
It is wrong to change ->blocked directly, see e6fa16ab. Change
handle_signal() and sys_rt_sigreturn() to use the right helper,
set_current_blocked().
Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Acked-by: Havard Skinnemoen <hskinnemoen@gmail.com>
Reviewed-by: Matt Fleming <matt.fleming@intel.com>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/avr32/kernel')
| -rw-r--r-- | arch/avr32/kernel/signal.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/arch/avr32/kernel/signal.c b/arch/avr32/kernel/signal.c index 9c075e105d60..06f4293f85d8 100644 --- a/arch/avr32/kernel/signal.c +++ b/arch/avr32/kernel/signal.c @@ -87,10 +87,7 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs) goto badframe; sigdelsetmask(&set, ~_BLOCKABLE); - spin_lock_irq(¤t->sighand->siglock); - current->blocked = set; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + set_current_blocked(&set); if (restore_sigcontext(regs, &frame->uc.uc_mcontext)) goto badframe; @@ -226,6 +223,7 @@ static inline void handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, sigset_t *oldset, struct pt_regs *regs, int syscall) { + sigset_t blocked; int ret; /* @@ -246,13 +244,10 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info, /* * Block the signal if we were successful. */ - spin_lock_irq(¤t->sighand->siglock); - sigorsets(¤t->blocked, ¤t->blocked, - &ka->sa.sa_mask); + sigorsets(&blocked, ¤t->blocked, &ka->sa.sa_mask); if (!(ka->sa.sa_flags & SA_NODEFER)) - sigaddset(¤t->blocked, sig); - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); + sigaddset(&blocked, sig); + set_current_blocked(&blocked); } /* |