1 files changed, 1 insertions, 2 deletions

diff --git a/kernel/signal.c b/kernel/signal.c
index e20724af9b36..114cf9209bcd 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1220,8 +1220,7 @@ int kill_proc_info_as_uid(int sig, struct siginfo *info, pid_t pid,
                 ret = -ESRCH;
                 goto out_unlock;
         }
-        if ((!info || ((unsigned long)info != 1 &&
-                        (unsigned long)info != 2 && SI_FROMUSER(info)))
+        if ((info == SEND_SIG_NOINFO || (!is_si_special(info) && SI_FROMUSER(info)))
             && (euid != p->suid) && (euid != p->uid)
             && (uid != p->suid) && (uid != p->uid)) {
                 ret = -EPERM;