From 326ff1db0613808263a585ad5e067e9ad214b051 Mon Sep 17 00:00:00 2001 From: Rostislav Lisovy Date: Sun, 10 Apr 2011 19:40:37 +0200 Subject: [PATCH] UIO userspace. Small bugfix. --- src/uio/mf624/userspace/test_application/main.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/src/uio/mf624/userspace/test_application/main.c b/src/uio/mf624/userspace/test_application/main.c index d4a7150..7b62744 100755 --- a/src/uio/mf624/userspace/test_application/main.c +++ b/src/uio/mf624/userspace/test_application/main.c @@ -424,6 +424,10 @@ int main(int argc, char* argv[]) strncat(buff, argv[1], min(strlen(argv[1]), 8)); device_fd = open_device(buff); + if (device_fd < 0) { + printf("%s does not exist!\n", argv[1]); + return 2; + } mmap_regions(device_fd, argv[1]); if (device_fd != -1) { -- 2.39.2