1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/signal.c b/kernel/signal.c
index 5f5bf374512b..4fd431ce4f91 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2879,7 +2879,7 @@ static bool known_siginfo_layout(unsigned sig, int si_code)
         return false;
 }
 
-enum siginfo_layout siginfo_layout(int sig, int si_code)
+enum siginfo_layout siginfo_layout(unsigned sig, int si_code)
 {
         enum siginfo_layout layout = SIL_KILL;
         if ((si_code > SI_USER) && (si_code < SI_KERNEL)) {