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authorAl Viro <viro@zeniv.linux.org.uk>2012-05-21 23:42:15 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-06-01 12:58:49 -0400
commita610d6e672d6d3723e8da257ad4a8a288a8f2f89 (patch)
tree2fac6ce7f72756771f4f87583205cc402589dcad /arch/arm/kernel
parent5754f412a3f107cbcd93ee125bef296f2a07539b (diff)
pull clearing RESTORE_SIGMASK into block_sigmask()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel')
-rw-r--r--arch/arm/kernel/signal.c18
1 files changed, 3 insertions, 15 deletions
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index 2e66c93973c3..7f9abd75fc2e 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -528,7 +528,7 @@ setup_rt_frame(int usig, struct k_sigaction *ka, siginfo_t *info,
528/* 528/*
529 * OK, we're invoking a handler 529 * OK, we're invoking a handler
530 */ 530 */
531static int 531static void
532handle_signal(unsigned long sig, struct k_sigaction *ka, 532handle_signal(unsigned long sig, struct k_sigaction *ka,
533 siginfo_t *info, struct pt_regs *regs) 533 siginfo_t *info, struct pt_regs *regs)
534{ 534{
@@ -559,17 +559,14 @@ handle_signal(unsigned long sig, struct k_sigaction *ka,
559 559
560 if (ret != 0) { 560 if (ret != 0) {
561 force_sigsegv(sig, tsk); 561 force_sigsegv(sig, tsk);
562 return ret; 562 return;
563 } 563 }
564 564
565 /* 565 /*
566 * Block the signal if we were successful. 566 * Block the signal if we were successful.
567 */ 567 */
568 block_sigmask(ka, sig); 568 block_sigmask(ka, sig);
569
570 tracehook_signal_handler(sig, info, ka, regs, 0); 569 tracehook_signal_handler(sig, info, ka, regs, 0);
571
572 return 0;
573} 570}
574 571
575/* 572/*
@@ -633,16 +630,7 @@ static void do_signal(struct pt_regs *regs, int syscall)
633 clear_thread_flag(TIF_SYSCALL_RESTARTSYS); 630 clear_thread_flag(TIF_SYSCALL_RESTARTSYS);
634 } 631 }
635 632
636 if (handle_signal(signr, &ka, &info, regs) == 0) { 633 handle_signal(signr, &ka, &info, regs);
637 /*
638 * A signal was successfully delivered; the saved
639 * sigmask will have been stored in the signal frame,
640 * and will be restored by sigreturn, so we can simply
641 * clear the TIF_RESTORE_SIGMASK flag.
642 */
643 if (test_thread_flag(TIF_RESTORE_SIGMASK))
644 clear_thread_flag(TIF_RESTORE_SIGMASK);
645 }
646 return; 634 return;
647 } 635 }
648 636