improved error handling at switchctl

1 files changed, 3 insertions, 2 deletions

diff --git a/src/switchctl.c b/src/switchctl.c
index 1015185..a06912a 100644
--- a/src/switchctl.c
+++ b/src/switchctl.c
@@ -1120,9 +1120,10 @@ int main(int argc, char* argv[])
   int switch_fd = 0;
   for(;;) {
     switch_fd = open(opt.switch_dev_, O_RDWR | O_NOCTTY);
-    if(switch_fd < 0)
+    if(switch_fd < 0) {
+      log_printf(ERROR, "open(%s): %s", opt.switch_dev_, strerror(errno));
       ret = 2;
-    else {
+    } else {
       ret = setup_tty(switch_fd, opt.baudrate_);
       if(ret)
         ret = 2;