[PATCH 2/8] signal: make kill_as_cred_perm() return bool

[Christian Brauner]

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

Signed-off-by: Christian Brauner <christ...@brauner.io>
---
 kernel/signal.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/kernel/signal.c b/kernel/signal.c
index c756008d589e..81be01d193f4 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1349,14 +1349,15 @@ static int kill_proc_info(int sig, struct siginfo 
*info, pid_t pid)
        return error;
 }
 
-static int kill_as_cred_perm(const struct cred *cred,
+static bool kill_as_cred_perm(const struct cred *cred,
                             struct task_struct *target)
 {
        const struct cred *pcred = __task_cred(target);
        if (!uid_eq(cred->euid, pcred->suid) && !uid_eq(cred->euid, pcred->uid) 
&&
            !uid_eq(cred->uid,  pcred->suid) && !uid_eq(cred->uid,  pcred->uid))
-               return 0;
-       return 1;
+               return false;
+
+       return true;
 }
 
 /* like kill_pid_info(), but doesn't use uid/euid of "current" */
-- 
2.17.0