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authorAl Viro <viro@zeniv.linux.org.uk>2012-05-21 23:33:55 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-06-01 12:58:47 -0400
commit51a7b448d4134e3e8eec633435e3e8faee14a828 (patch)
tree8fc58560ffee1c944ec5e198029d5c2e6f7c0bd3
parent4ebefe3ec729003443daf153ed6fad1739271283 (diff)
downloadop-kernel-dev-51a7b448d4134e3e8eec633435e3e8faee14a828.zip
op-kernel-dev-51a7b448d4134e3e8eec633435e3e8faee14a828.tar.gz
new helper: restore_saved_sigmask()
first fruits of ..._restore_sigmask() helpers: now we can take boilerplate "signal didn't have a handler, clear RESTORE_SIGMASK and restore the blocked mask from ->saved_mask" into a common helper. Open-coded instances switched... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--arch/alpha/kernel/signal.c4
-rw-r--r--arch/arm/kernel/signal.c6
-rw-r--r--arch/avr32/kernel/signal.c5
-rw-r--r--arch/blackfin/kernel/signal.c5
-rw-r--r--arch/c6x/kernel/signal.c5
-rw-r--r--arch/cris/arch-v10/kernel/signal.c5
-rw-r--r--arch/cris/arch-v32/kernel/signal.c5
-rw-r--r--arch/frv/kernel/signal.c6
-rw-r--r--arch/h8300/kernel/signal.c3
-rw-r--r--arch/hexagon/kernel/signal.c5
-rw-r--r--arch/ia64/kernel/signal.c5
-rw-r--r--arch/m32r/kernel/signal.c5
-rw-r--r--arch/m68k/kernel/signal.c5
-rw-r--r--arch/microblaze/kernel/signal.c5
-rw-r--r--arch/mips/kernel/signal.c5
-rw-r--r--arch/mn10300/kernel/signal.c5
-rw-r--r--arch/openrisc/kernel/signal.c6
-rw-r--r--arch/parisc/kernel/signal.c7
-rw-r--r--arch/powerpc/kernel/signal.c6
-rw-r--r--arch/s390/kernel/signal.c5
-rw-r--r--arch/score/kernel/signal.c5
-rw-r--r--arch/sh/kernel/signal_32.c5
-rw-r--r--arch/sh/kernel/signal_64.c7
-rw-r--r--arch/sparc/kernel/signal32.c5
-rw-r--r--arch/sparc/kernel/signal_32.c5
-rw-r--r--arch/sparc/kernel/signal_64.c5
-rw-r--r--arch/tile/kernel/signal.c5
-rw-r--r--arch/um/kernel/signal.c6
-rw-r--r--arch/unicore32/kernel/signal.c3
-rw-r--r--arch/x86/kernel/signal.c5
-rw-r--r--arch/xtensa/kernel/signal.c3
-rw-r--r--include/linux/sched.h6
32 files changed, 38 insertions, 125 deletions
diff --git a/arch/alpha/kernel/signal.c b/arch/alpha/kernel/signal.c
index f6db303..cadf457 100644
--- a/arch/alpha/kernel/signal.c
+++ b/arch/alpha/kernel/signal.c
@@ -572,9 +572,7 @@ do_signal(struct pt_regs * regs, struct switch_stack * sw,
}
/* If there's no signal to deliver, we just restore the saved mask. */
- if (test_and_clear_thread_flag(TIF_RESTORE_SIGMASK))
- set_current_blocked(&current->saved_sigmask);
-
+ restore_saved_sigmask();
if (single_stepping)
ptrace_set_bpt(current); /* re-set breakpoint */
}
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index 63f327d..3d1daac 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -663,11 +663,7 @@ static void do_signal(struct pt_regs *regs, int syscall)
set_thread_flag(TIF_SYSCALL_RESTARTSYS);
}
- /* If there's no signal to deliver, we just put the saved sigmask
- * back.
- */
- if (test_and_clear_thread_flag(TIF_RESTORE_SIGMASK))
- set_current_blocked(&current->saved_sigmask);
+ restore_saved_sigmask();
}
asmlinkage void
diff --git a/arch/avr32/kernel/signal.c b/arch/avr32/kernel/signal.c
index e7595ef..8b12c30 100644
--- a/arch/avr32/kernel/signal.c
+++ b/arch/avr32/kernel/signal.c
@@ -297,10 +297,7 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset, int syscall)
if (signr == 0) {
/* No signal to deliver -- put the saved sigmask back */
- if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
- clear_thread_flag(TIF_RESTORE_SIGMASK);
- sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
- }
+ restore_saved_sigmask();
return 0;
}
diff --git a/arch/blackfin/kernel/signal.c b/arch/blackfin/kernel/signal.c
index fc9ecce..9d692a1 100644
--- a/arch/blackfin/kernel/signal.c
+++ b/arch/blackfin/kernel/signal.c
@@ -319,10 +319,7 @@ asmlinkage void do_signal(struct pt_regs *regs)
/* if there's no signal to deliver, we just put the saved sigmask
* back */
- if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
- clear_thread_flag(TIF_RESTORE_SIGMASK);
- sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
- }
+ restore_saved_sigmask();
}
/*
diff --git a/arch/c6x/kernel/signal.c b/arch/c6x/kernel/signal.c
index 9493f0b..bfbcc95 100644
--- a/arch/c6x/kernel/signal.c
+++ b/arch/c6x/kernel/signal.c
@@ -343,10 +343,7 @@ static void do_signal(struct pt_regs *regs, int syscall)
/* if there's no signal to deliver, we just put the saved sigmask
* back */
- if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
- clear_thread_flag(TIF_RESTORE_SIGMASK);
- sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
- }
+ restore_saved_sigmask();
}
/*
diff --git a/arch/cris/arch-v10/kernel/signal.c b/arch/cris/arch-v10/kernel/signal.c
index e16f8f2..06885e9 100644
--- a/arch/cris/arch-v10/kernel/signal.c
+++ b/arch/cris/arch-v10/kernel/signal.c
@@ -525,8 +525,5 @@ void do_signal(int canrestart, struct pt_regs *regs)
/* if there's no signal to deliver, we just put the saved sigmask
* back */
- if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
- clear_thread_flag(TIF_RESTORE_SIGMASK);
- sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
- }
+ restore_saved_sigmask();
}
diff --git a/arch/cris/arch-v32/kernel/signal.c b/arch/cris/arch-v32/kernel/signal.c
index b338d8f..fe12cdc 100644
--- a/arch/cris/arch-v32/kernel/signal.c
+++ b/arch/cris/arch-v32/kernel/signal.c
@@ -560,10 +560,7 @@ do_signal(int canrestart, struct pt_regs *regs)
/* if there's no signal to deliver, we just put the saved sigmask
* back */
- if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
- clear_thread_flag(TIF_RESTORE_SIGMASK);
- sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
- }
+ restore_saved_sigmask();
}
asmlinkage void
diff --git a/arch/frv/kernel/signal.c b/arch/frv/kernel/signal.c
index 595bf1e..16351cc 100644
--- a/arch/frv/kernel/signal.c
+++ b/arch/frv/kernel/signal.c
@@ -536,11 +536,7 @@ no_signal:
/* if there's no signal to deliver, we just put the saved sigmask
* back */
- if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
- clear_thread_flag(TIF_RESTORE_SIGMASK);
- sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
- }
-
+ restore_saved_sigmask();
} /* end do_signal() */
/*****************************************************************************/
diff --git a/arch/h8300/kernel/signal.c b/arch/h8300/kernel/signal.c
index e58992a..63623da 100644
--- a/arch/h8300/kernel/signal.c
+++ b/arch/h8300/kernel/signal.c
@@ -501,8 +501,7 @@ statis void do_signal(struct pt_regs *regs)
}
/* If there's no signal to deliver, we just restore the saved mask. */
- if (test_and_clear_thread_flag(TIF_RESTORE_SIGMASK))
- set_current_blocked(&current->saved_sigmask);
+ restore_saved_sigmask();
}
asmlinkage void do_notify_resume(struct pt_regs *regs, u32 thread_info_flags)
diff --git a/arch/hexagon/kernel/signal.c b/arch/hexagon/kernel/signal.c
index 21a3018..acd6272 100644
--- a/arch/hexagon/kernel/signal.c
+++ b/arch/hexagon/kernel/signal.c
@@ -259,10 +259,7 @@ no_signal:
no_restart:
/* If there's no signal to deliver, put the saved sigmask back */
- if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
- clear_thread_flag(TIF_RESTORE_SIGMASK);
- sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
- }
+ restore_saved_sigmask();
}
void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags)
diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c
index 7523501..39d8f3a 100644
--- a/arch/ia64/kernel/signal.c
+++ b/arch/ia64/kernel/signal.c
@@ -538,8 +538,5 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall)
/* if there's no signal to deliver, we just put the saved sigmask
* back */
- if (current_thread_info()->status & TS_RESTORE_SIGMASK) {
- current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
- sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
- }
+ restore_saved_sigmask();
}
diff --git a/arch/m32r/kernel/signal.c b/arch/m32r/kernel/signal.c
index 64804f1..2ad7c45 100644
--- a/arch/m32r/kernel/signal.c
+++ b/arch/m32r/kernel/signal.c
@@ -360,10 +360,7 @@ static void do_signal(struct pt_regs *regs)
prev_insn(regs);
}
}
- if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
- clear_thread_flag(TIF_RESTORE_SIGMASK);
- sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
- }
+ restore_saved_sigmask();
}
/*
diff --git a/arch/m68k/kernel/signal.c b/arch/m68k/kernel/signal.c
index 973eec6..685cbe8 100644
--- a/arch/m68k/kernel/signal.c
+++ b/arch/m68k/kernel/signal.c
@@ -1182,10 +1182,7 @@ static void do_signal(struct pt_regs *regs)
handle_restart(regs, NULL, 0);
/* If there's no signal to deliver, we just restore the saved mask. */
- if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
- clear_thread_flag(TIF_RESTORE_SIGMASK);
- sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
- }
+ restore_saved_sigmask();
}
void do_notify_resume(struct pt_regs *regs)
diff --git a/arch/microblaze/kernel/signal.c b/arch/microblaze/kernel/signal.c
index 5d796e3..8e644df 100644
--- a/arch/microblaze/kernel/signal.c
+++ b/arch/microblaze/kernel/signal.c
@@ -381,10 +381,7 @@ static void do_signal(struct pt_regs *regs, int in_syscall)
* If there's no signal to deliver, we just put the saved sigmask
* back.
*/
- if (current_thread_info()->status & TS_RESTORE_SIGMASK) {
- current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
- sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
- }
+ restore_saved_sigmask();
}
void do_notify_resume(struct pt_regs *regs, int in_syscall)
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index 8a6e6d1..aad2d2d 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -614,10 +614,7 @@ static void do_signal(struct pt_regs *regs)
* If there's no signal to deliver, we just put the saved sigmask
* back
*/
- if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
- clear_thread_flag(TIF_RESTORE_SIGMASK);
- sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
- }
+ restore_saved_sigmask();
}
/*
diff --git a/arch/mn10300/kernel/signal.c b/arch/mn10300/kernel/signal.c
index b8b6aa1..b7994c3 100644
--- a/arch/mn10300/kernel/signal.c
+++ b/arch/mn10300/kernel/signal.c
@@ -525,10 +525,7 @@ static void do_signal(struct pt_regs *regs)
/* if there's no signal to deliver, we just put the saved sigmask
* back */
- if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
- clear_thread_flag(TIF_RESTORE_SIGMASK);
- sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
- }
+ restore_saved_sigmask();
}
/*
diff --git a/arch/openrisc/kernel/signal.c b/arch/openrisc/kernel/signal.c
index 9ae6115..266c6fd 100644
--- a/arch/openrisc/kernel/signal.c
+++ b/arch/openrisc/kernel/signal.c
@@ -339,11 +339,7 @@ void do_signal(struct pt_regs *regs)
if (signr <= 0) {
/* no signal to deliver so we just put the saved sigmask
* back */
- if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
- clear_thread_flag(TIF_RESTORE_SIGMASK);
- sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
- }
-
+ restore_saved_sigmask();
} else { /* signr > 0 */
sigset_t *oldset;
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index e7a7cd3..277caca 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -621,12 +621,7 @@ do_signal(struct pt_regs *regs, long in_syscall)
DBG(1,"do_signal: Exit (not delivered), regs->gr[28] = %ld\n",
regs->gr[28]);
- if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
- clear_thread_flag(TIF_RESTORE_SIGMASK);
- sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
- }
-
- return;
+ restore_saved_sigmask();
}
void do_notify_resume(struct pt_regs *regs, long in_syscall)
diff --git a/arch/powerpc/kernel/signal.c b/arch/powerpc/kernel/signal.c
index bfc3ec13..0f4cc67 100644
--- a/arch/powerpc/kernel/signal.c
+++ b/arch/powerpc/kernel/signal.c
@@ -132,12 +132,8 @@ static int do_signal(struct pt_regs *regs)
check_syscall_restart(regs, &ka, signr > 0);
if (signr <= 0) {
- struct thread_info *ti = current_thread_info();
/* No signal to deliver -- put the saved sigmask back */
- if (ti->local_flags & _TLF_RESTORE_SIGMASK) {
- ti->local_flags &= ~_TLF_RESTORE_SIGMASK;
- sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
- }
+ restore_saved_sigmask();
regs->trap = 0;
return 0; /* no signals delivered */
}
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index 42a6e8b..3779908 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -484,10 +484,7 @@ void do_signal(struct pt_regs *regs)
/*
* If there's no signal to deliver, we just put the saved sigmask back.
*/
- if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
- clear_thread_flag(TIF_RESTORE_SIGMASK);
- sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
- }
+ restore_saved_sigmask();
}
void do_notify_resume(struct pt_regs *regs)
diff --git a/arch/score/kernel/signal.c b/arch/score/kernel/signal.c
index 302838d..9e75155 100644
--- a/arch/score/kernel/signal.c
+++ b/arch/score/kernel/signal.c
@@ -337,10 +337,7 @@ static void do_signal(struct pt_regs *regs)
* If there's no signal to deliver, we just put the saved sigmask
* back
*/
- if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
- clear_thread_flag(TIF_RESTORE_SIGMASK);
- sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
- }
+ restore_saved_sigmask();
}
/*
diff --git a/arch/sh/kernel/signal_32.c b/arch/sh/kernel/signal_32.c
index 9d7bfd6..92f4173 100644
--- a/arch/sh/kernel/signal_32.c
+++ b/arch/sh/kernel/signal_32.c
@@ -610,10 +610,7 @@ static void do_signal(struct pt_regs *regs, unsigned int save_r0)
* If there's no signal to deliver, we just put the saved sigmask
* back.
*/
- if (current_thread_info()->status & TS_RESTORE_SIGMASK) {
- current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
- sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
- }
+ restore_saved_sigmask();
}
asmlinkage void do_notify_resume(struct pt_regs *regs, unsigned int save_r0,
diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c
index aa64284..6e191ef 100644
--- a/arch/sh/kernel/signal_64.c
+++ b/arch/sh/kernel/signal_64.c
@@ -143,12 +143,7 @@ static void do_signal(struct pt_regs *regs)
}
/* No signal to deliver -- put the saved sigmask back */
- if (current_thread_info()->status & TS_RESTORE_SIGMASK) {
- current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
- sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
- }
-
- return;
+ restore_saved_sigmask();
}
/*
diff --git a/arch/sparc/kernel/signal32.c b/arch/sparc/kernel/signal32.c
index bb1513e..88e0d81 100644
--- a/arch/sparc/kernel/signal32.c
+++ b/arch/sparc/kernel/signal32.c
@@ -872,10 +872,7 @@ void do_signal32(sigset_t *oldset, struct pt_regs * regs)
/* If there's no signal to deliver, we just put the saved sigmask
* back
*/
- if (current_thread_info()->status & TS_RESTORE_SIGMASK) {
- current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
- set_current_blocked(&current->saved_sigmask);
- }
+ restore_saved_sigmask();
}
struct sigstack32 {
diff --git a/arch/sparc/kernel/signal_32.c b/arch/sparc/kernel/signal_32.c
index 6b42e86..9dd97d2 100644
--- a/arch/sparc/kernel/signal_32.c
+++ b/arch/sparc/kernel/signal_32.c
@@ -576,10 +576,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
/* if there's no signal to deliver, we just put the saved sigmask
* back
*/
- if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
- clear_thread_flag(TIF_RESTORE_SIGMASK);
- set_current_blocked(&current->saved_sigmask);
- }
+ restore_saved_sigmask();
}
void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0,
diff --git a/arch/sparc/kernel/signal_64.c b/arch/sparc/kernel/signal_64.c
index c82cf1c..55b820e 100644
--- a/arch/sparc/kernel/signal_64.c
+++ b/arch/sparc/kernel/signal_64.c
@@ -594,10 +594,7 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
/* If there's no signal to deliver, we just put the saved sigmask
* back
*/
- if (current_thread_info()->status & TS_RESTORE_SIGMASK) {
- current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
- set_current_blocked(&current->saved_sigmask);
- }
+ restore_saved_sigmask();
}
void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0, unsigned long thread_info_flags)
diff --git a/arch/tile/kernel/signal.c b/arch/tile/kernel/signal.c
index f79d4b8..62b3493 100644
--- a/arch/tile/kernel/signal.c
+++ b/arch/tile/kernel/signal.c
@@ -350,10 +350,7 @@ void do_signal(struct pt_regs *regs)
}
/* If there's no signal to deliver, just put the saved sigmask back. */
- if (current_thread_info()->status & TS_RESTORE_SIGMASK) {
- current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
- sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
- }
+ restore_saved_sigmask();
done:
/* Avoid double syscall restart if there are nested signals. */
diff --git a/arch/um/kernel/signal.c b/arch/um/kernel/signal.c
index 292e706..6acf13c 100644
--- a/arch/um/kernel/signal.c
+++ b/arch/um/kernel/signal.c
@@ -130,10 +130,8 @@ static int kern_do_signal(struct pt_regs *regs)
* if there's no signal to deliver, we just put the saved sigmask
* back
*/
- if (!handled_sig && test_thread_flag(TIF_RESTORE_SIGMASK)) {
- clear_thread_flag(TIF_RESTORE_SIGMASK);
- sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
- }
+ if (!handled_sig)
+ restore_saved_sigmask();
return handled_sig;
}
diff --git a/arch/unicore32/kernel/signal.c b/arch/unicore32/kernel/signal.c
index 28782ad..65a5ed3 100644
--- a/arch/unicore32/kernel/signal.c
+++ b/arch/unicore32/kernel/signal.c
@@ -451,8 +451,7 @@ static void do_signal(struct pt_regs *regs, int syscall)
/* If there's no signal to deliver, we just put the saved
* sigmask back.
*/
- if (test_and_clear_thread_flag(TIF_RESTORE_SIGMASK))
- set_current_blocked(&current->saved_sigmask);
+ restore_saved_sigmask();
}
asmlinkage void do_notify_resume(struct pt_regs *regs,
diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index 2e937a5..25a4a81 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -796,10 +796,7 @@ static void do_signal(struct pt_regs *regs)
* If there's no signal to deliver, we just put the saved sigmask
* back.
*/
- if (current_thread_info()->status & TS_RESTORE_SIGMASK) {
- current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
- set_current_blocked(&current->saved_sigmask);
- }
+ restore_saved_sigmask();
}
/*
diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c
index ea7e177..8c4e751 100644
--- a/arch/xtensa/kernel/signal.c
+++ b/arch/xtensa/kernel/signal.c
@@ -532,8 +532,7 @@ no_signal:
}
/* If there's no signal to deliver, we just restore the saved mask. */
- if (test_and_clear_thread_flag(TIF_RESTORE_SIGMASK))
- set_current_blocked(&current->saved_sigmask);
+ restore_saved_sigmask();
if (current->ptrace & PT_SINGLESTEP)
task_pt_regs(current)->icountlevel = 1;
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 660c8ae..f1b46b8 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2207,6 +2207,12 @@ extern int send_sigqueue(struct sigqueue *, struct task_struct *, int group);
extern int do_sigaction(int, struct k_sigaction *, struct k_sigaction *);
extern int do_sigaltstack(const stack_t __user *, stack_t __user *, unsigned long);
+static inline void restore_saved_sigmask(void)
+{
+ if (test_and_clear_restore_sigmask())
+ set_current_blocked(&current->saved_sigmask);
+}
+
static inline int kill_cad_pid(int sig, int priv)
{
return kill_pid(cad_pid, sig, priv);
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