diff options
Diffstat (limited to 'host/apps/omap_debug/usrp-e-debug-pins.c')
| -rw-r--r-- | host/apps/omap_debug/usrp-e-debug-pins.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/host/apps/omap_debug/usrp-e-debug-pins.c b/host/apps/omap_debug/usrp-e-debug-pins.c index d4e3f5223..d18bbf990 100644 --- a/host/apps/omap_debug/usrp-e-debug-pins.c +++ b/host/apps/omap_debug/usrp-e-debug-pins.c @@ -46,6 +46,10 @@ int main(int argc, char *argv[]) fp = open("/dev/usrp_e0", O_RDWR); printf("fp = %d\n", fp); + if (fp < 0) { + perror("Open failed"); + return -1; + } if (strcmp(argv[1], "0") == 0) { printf("Selected 0 based on %s\n", argv[1]); |