From caf2b9ace85057cef7cef4434e1918d7ae8c17ad Mon Sep 17 00:00:00 2001 From: Jens Axboe Date: Wed, 8 Sep 2021 14:12:16 -0600 Subject: [PATCH] t/io_uring: ensure that nthreads is > 0 Signed-off-by: Jens Axboe --- t/io_uring.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/t/io_uring.c b/t/io_uring.c index 23c9d606..c9ca3e9d 100644 --- a/t/io_uring.c +++ b/t/io_uring.c @@ -598,6 +598,10 @@ int main(int argc, char *argv[]) break; case 'n': nthreads = atoi(optarg); + if (!nthreads) { + printf("Threads must be non-zero\n"); + usage(argv[0], 1); + } break; case 'h': case '?': @@ -623,7 +627,7 @@ int main(int argc, char *argv[]) i = optind; nfiles = argc - i; if (!nfiles) { - printf("no files specified\n"); + printf("No files specified\n"); usage(argv[0], 1); } threads_per_f = nthreads / nfiles; -- 2.25.1