diff --git a/kernel/signal.c b/kernel/signal.c index c0af959b8530..b87780ef7d28 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -2900,7 +2900,7 @@ SYSCALL_DEFINE3(sigprocmask, int, how, old_sigset_t __user *, nset, old_sigset_t __user *, oset) { old_sigset_t old_set, new_set; - int error; + sigset_t new_blocked; old_set = current->blocked.sig[0]; @@ -2909,27 +2909,23 @@ SYSCALL_DEFINE3(sigprocmask, int, how, old_sigset_t __user *, nset, return -EFAULT; new_set &= ~(sigmask(SIGKILL) | sigmask(SIGSTOP)); - error = 0; - spin_lock_irq(¤t->sighand->siglock); + new_blocked = current->blocked; + switch (how) { - default: - error = -EINVAL; - break; case SIG_BLOCK: - sigaddsetmask(¤t->blocked, new_set); + sigaddsetmask(&new_blocked, new_set); break; case SIG_UNBLOCK: - sigdelsetmask(¤t->blocked, new_set); + sigdelsetmask(&new_blocked, new_set); break; case SIG_SETMASK: - current->blocked.sig[0] = new_set; + new_blocked.sig[0] = new_set; break; + default: + return -EINVAL; } - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - if (error) - return error; + set_current_blocked(&new_blocked); } if (oset) {