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-rw-r--r--tools/virtio/virtio_test.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/virtio/virtio_test.c b/tools/virtio/virtio_test.c
index e626fa553c5a..6d25dcd2e97a 100644
--- a/tools/virtio/virtio_test.c
+++ b/tools/virtio/virtio_test.c
@@ -232,7 +232,7 @@ const struct option longopts[] = {
}
};
-static void help()
+static void help(void)
{
fprintf(stderr, "Usage: virtio_test [--help]"
" [--no-indirect]"