summaryrefslogtreecommitdiff
path: root/tools/testing/selftests/wireguard/qemu/init.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/testing/selftests/wireguard/qemu/init.c')
-rw-r--r--tools/testing/selftests/wireguard/qemu/init.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/testing/selftests/wireguard/qemu/init.c b/tools/testing/selftests/wireguard/qemu/init.c
index 2a0f48fac925..c9e128436546 100644
--- a/tools/testing/selftests/wireguard/qemu/init.c
+++ b/tools/testing/selftests/wireguard/qemu/init.c
@@ -21,6 +21,7 @@
#include <sys/utsname.h>
#include <sys/sendfile.h>
#include <sys/sysmacros.h>
+#include <sys/random.h>
#include <linux/random.h>
#include <linux/version.h>
@@ -58,6 +59,8 @@ static void seed_rng(void)
{
int bits = 256, fd;
+ if (!getrandom(NULL, 0, GRND_NONBLOCK))
+ return;
pretty_message("[+] Fake seeding RNG...");
fd = open("/dev/random", O_WRONLY);
if (fd < 0)