Catch failure to open drm device.

1 files changed, 5 insertions, 0 deletions

diff --git a/eagle.c b/eagle.c
index 76b88bf..565047a 100644
--- a/eagle.c
+++ b/eagle.c
@@ -164,6 +164,11 @@ eglInitDisplay(EGLDisplay display, const char *device, const char *driver)
 	display->initialized = EGL_FALSE;
 	display->next_surface_id = 1;
 	display->fd = open(device, O_RDWR);
+	if (display->fd < 0) {
+		fprintf(stderr,
+			"failed to open drm device %s: %m\n", device);
+		return -1;
+	}
 
 	if (eglLoadDriver(display, driver) < 0)
 		goto fail;