[PATCH 5/5] hciemu: Print error in case hci_vhci is not loaded

[Andrei Emeltchenko <Andrei.Emeltchenko.news@gmail.com>]

From: Andrei Emeltchenko <andrei.emeltchenko@intel.com>

Error message should indicate that module is not loaded:
Opening /dev/vhci failed: No such file or directory
---
 src/shared/hciemu.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/shared/hciemu.c b/src/shared/hciemu.c
index c2b4748..9f4bfaf 100644
--- a/src/shared/hciemu.c
+++ b/src/shared/hciemu.c
@@ -31,6 +31,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <stdbool.h>
+#include <errno.h>
 #include <sys/socket.h>
 
 #include <glib.h>
@@ -216,6 +217,7 @@ static bool create_vhci(struct hciemu *hciemu)
 
 	fd = open("/dev/vhci", O_RDWR | O_NONBLOCK | O_CLOEXEC);
 	if (fd < 0) {
+		perror("Opening /dev/vhci failed");
 		btdev_destroy(btdev);
 		return false;
 	}
-- 
1.8.3.2