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-rw-r--r--kernel/signal.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index ea154104a00b..75f7341b0c39 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1922,6 +1922,8 @@ int get_signal_to_deliver(siginfo_t *info, struct k_sigaction *return_ka,
sigset_t *mask = &current->blocked;
int signr = 0;
+ try_to_freeze();
+
relock:
spin_lock_irq(&current->sighand->siglock);
for (;;) {
@@ -2099,10 +2101,11 @@ long do_no_restart_syscall(struct restart_block *param)
int sigprocmask(int how, sigset_t *set, sigset_t *oldset)
{
int error;
- sigset_t old_block;
spin_lock_irq(&current->sighand->siglock);
- old_block = current->blocked;
+ if (oldset)
+ *oldset = current->blocked;
+
error = 0;
switch (how) {
case SIG_BLOCK:
@@ -2119,8 +2122,7 @@ int sigprocmask(int how, sigset_t *set, sigset_t *oldset)
}
recalc_sigpending();
spin_unlock_irq(&current->sighand->siglock);
- if (oldset)
- *oldset = old_block;
+
return error;
}
@@ -2307,7 +2309,6 @@ sys_rt_sigtimedwait(const sigset_t __user *uthese,
timeout = schedule_timeout_interruptible(timeout);
- try_to_freeze();
spin_lock_irq(&current->sighand->siglock);
sig = dequeue_signal(current, &these, &info);
current->blocked = current->real_blocked;