[PATCH v1 13/20] signal: make has_pending_signals() return bool

[Christian Brauner]

has_pending_signals() already behaves like a boolean function. Let's
actually declare it as such too.

Signed-off-by: Christian Brauner <christ...@brauner.io>
---
v0->v1:
* patch introduced
---
 kernel/signal.c | 25 ++++++++++++++-----------
 1 file changed, 14 insertions(+), 11 deletions(-)

diff --git a/kernel/signal.c b/kernel/signal.c
index 60c501db15d9..d2d4d10223ca 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -110,30 +110,33 @@ static bool sig_ignored(struct task_struct *t, int sig, 
bool force)
  * Re-calculate pending state from the set of locally pending
  * signals, globally pending signals, and blocked signals.
  */
-static inline int has_pending_signals(sigset_t *signal, sigset_t *blocked)
+static inline bool has_pending_signals(sigset_t *signal, sigset_t *blocked)
 {
        unsigned long ready;
        long i;
 
        switch (_NSIG_WORDS) {
        default:
-               for (i = _NSIG_WORDS, ready = 0; --i >= 0 ;)
-                       ready |= signal->sig[i] &~ blocked->sig[i];
+               for (i = _NSIG_WORDS, ready = 0; --i >= 0;)
+                       ready |= signal->sig[i] & ~blocked->sig[i];
                break;
 
-       case 4: ready  = signal->sig[3] &~ blocked->sig[3];
-               ready |= signal->sig[2] &~ blocked->sig[2];
-               ready |= signal->sig[1] &~ blocked->sig[1];
-               ready |= signal->sig[0] &~ blocked->sig[0];
+       case 4:
+               ready = signal->sig[3] & ~blocked->sig[3];
+               ready |= signal->sig[2] & ~blocked->sig[2];
+               ready |= signal->sig[1] & ~blocked->sig[1];
+               ready |= signal->sig[0] & ~blocked->sig[0];
                break;
 
-       case 2: ready  = signal->sig[1] &~ blocked->sig[1];
-               ready |= signal->sig[0] &~ blocked->sig[0];
+       case 2:
+               ready = signal->sig[1] & ~blocked->sig[1];
+               ready |= signal->sig[0] & ~blocked->sig[0];
                break;
 
-       case 1: ready  = signal->sig[0] &~ blocked->sig[0];
+       case 1:
+               ready = signal->sig[0] & ~blocked->sig[0];
        }
-       return ready != 0;
+       return ready != 0;
 }
 
 #define PENDING(p,b) has_pending_signals(&(p)->signal, (b))
-- 
2.17.0