[PATCH v3 10/17] tests/exynos: improve error handling

[Tobias Jakobi]

Check for a useable connector and also if the resolution is sane
(width and height are both non-zero).

Signed-off-by: Tobias Jakobi <tjakobi at math.uni-bielefeld.de>
---
 tests/exynos/exynos_fimg2d_test.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/tests/exynos/exynos_fimg2d_test.c b/tests/exynos/exynos_fimg2d_test.c
index 5e54d78..a780d8d 100644
--- a/tests/exynos/exynos_fimg2d_test.c
+++ b/tests/exynos/exynos_fimg2d_test.c
@@ -721,10 +721,22 @@ int main(int argc, char **argv)
 	connector_find_mode(dev->fd, &con, resources);
 	drmModeFreeResources(resources);
 
+	if (!con.mode) {
+		fprintf(stderr, "failed to find usable connector\n");
+		ret = -EFAULT;
+		goto err_drm_close;
+	}
+
 	screen_width = con.mode->hdisplay;
 	screen_height = con.mode->vdisplay;
 
-	printf("screen width  = %d, screen height = %d\n", screen_width,
+	if (screen_width == 0 || screen_height == 0) {
+		fprintf(stderr, "failed to find sane resolution on connector\n");
+		ret = -EFAULT;
+		goto err_drm_close;
+	}
+
+	printf("screen width = %d, screen height = %d\n", screen_width,
 			screen_height);
 
 	bo = exynos_create_buffer(dev, screen_width * screen_height * 4, 0);
-- 
2.0.5