[PATCH v3 03/14] drm/panic: Return -EINVAL if font is not available

[Thomas Zimmermann]

Font lookup does not allocate memory. Hence reporting ENOMEM on
failed lookups is misleading. Report EINVAL instead.

Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
Reviewed-by: Jocelyn Falempe <jfalempe at redhat.com>
---
 drivers/gpu/drm/drm_panic.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_panic.c b/drivers/gpu/drm/drm_panic.c
index d28ce8878e05..62490d32019c 100644
--- a/drivers/gpu/drm/drm_panic.c
+++ b/drivers/gpu/drm/drm_panic.c
@@ -751,8 +751,10 @@ static int _draw_panic_screen_qr_code(struct drm_scanout_buffer *sb)
 	int qr_width, qr_canvas_width, qr_pitch, v_margin;
 	u8 *qr_image;
 
-	if (!font || !qrbuf1 || !qrbuf2 || !stream.workspace)
+	if (!qrbuf1 || !qrbuf2 || !stream.workspace)
 		return -ENOMEM;
+	if (!font)
+		return -EINVAL;
 
 	r_screen = DRM_RECT_INIT(0, 0, sb->width, sb->height);
 
-- 
2.55.0