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Diffstat (limited to 'arch/avr32/kernel/signal.c')
-rw-r--r--arch/avr32/kernel/signal.c30
1 files changed, 12 insertions, 18 deletions
diff --git a/arch/avr32/kernel/signal.c b/arch/avr32/kernel/signal.c
index 64f886fac2ef..ae386c304bee 100644
--- a/arch/avr32/kernel/signal.c
+++ b/arch/avr32/kernel/signal.c
@@ -77,6 +77,9 @@ asmlinkage int sys_rt_sigreturn(struct pt_regs *regs)
struct rt_sigframe __user *frame;
sigset_t set;
+ /* Always make any pending restarted system calls return -EINTR */
+ current_thread_info()->restart_block.fn = do_no_restart_syscall;
+
frame = (struct rt_sigframe __user *)regs->sp;
pr_debug("SIG return: frame = %p\n", frame);
@@ -87,10 +90,7 @@ 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;
@@ -238,22 +238,16 @@ handle_signal(unsigned long sig, struct k_sigaction *ka, siginfo_t *info,
*/
ret |= !valid_user_regs(regs);
- /*
- * Block the signal if we were unsuccessful.
- */
- if (ret != 0 || !(ka->sa.sa_flags & SA_NODEFER)) {
- spin_lock_irq(&current->sighand->siglock);
- sigorsets(&current->blocked, &current->blocked,
- &ka->sa.sa_mask);
- sigaddset(&current->blocked, sig);
- recalc_sigpending();
- spin_unlock_irq(&current->sighand->siglock);
- }
-
- if (ret == 0)
+ if (ret != 0) {
+ force_sigsegv(sig, current);
return;
+ }
- force_sigsegv(sig, current);
+ /*
+ * Block the signal if we were successful.
+ */
+ block_sigmask(ka, sig);
+ clear_thread_flag(TIF_RESTORE_SIGMASK);
}
/*