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avr32: use set_current_blocked() in handle_signal/sys_rt_sigreturn

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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>
This commit is contained in:
Oleg Nesterov 2012-05-11 10:57:58 +10:00 committed by Al Viro
parent e1b1fd79a0
commit 49209590cb
1 changed files with 5 additions and 10 deletions
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15
arch/avr32/kernel/signal.c
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@ -87,10 +87,7 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs)
goto badframe;
sigdelsetmask(&set, ~_BLOCKABLE);
spin_lock_irq(&current->sighand->siglock);
current->blocked = set;
recalc_sigpending();
spin_unlock_irq(&current->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(&current->sighand->siglock);
sigorsets(&current->blocked, &current->blocked,
&ka->sa.sa_mask);
sigorsets(&blocked, &current->blocked, &ka->sa.sa_mask);
if (!(ka->sa.sa_flags & SA_NODEFER))
sigaddset(&current->blocked, sig);
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
sigaddset(&blocked, sig);
set_current_blocked(&blocked);
}
/*