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-rw-r--r--tools/testing/selftests/bpf/urandom_read.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/tools/testing/selftests/bpf/urandom_read.c b/tools/testing/selftests/bpf/urandom_read.c
index 4acfdebf36fa..9de8b7cb4e6d 100644
--- a/tools/testing/selftests/bpf/urandom_read.c
+++ b/tools/testing/selftests/bpf/urandom_read.c
@@ -6,15 +6,21 @@
#include <stdlib.h>
#define BUF_SIZE 256
-int main(void)
+
+int main(int argc, char *argv[])
{
int fd = open("/dev/urandom", O_RDONLY);
int i;
char buf[BUF_SIZE];
+ int count = 4;
if (fd < 0)
return 1;
- for (i = 0; i < 4; ++i)
+
+ if (argc == 2)
+ count = atoi(argv[1]);
+
+ for (i = 0; i < count; ++i)
read(fd, buf, BUF_SIZE);
close(fd);