[PATCH v2 03/13] drm/panic: Return -EINVAL if font is not available
Thomas Zimmermann <[email protected]>
| Newsgroups | org.freedesktop.lists.nouveau,dev.linux.lists.imx,dev.linux.lists.sashiko-reviews,dev.linux.lists.virtualization,org.freedesktop.lists.amd-gfx,org.freedesktop.lists.dri-devel,org.freedesktop.lists.intel-gfx,org.freedesktop.lists.intel-xe,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-doc,org.kernel.vger.linux-hyperv,org.kernel.vger.linux-renesas-soc,org.kernel.vger.rust-for-linux |
|---|---|
| Message-ID | <[email protected]> |
Font lookup does not allocate memory. Hence reporting ENOMEM on failed lookups is misleading. Report EINVAL instead. Signed-off-by: Thomas Zimmermann <[email protected]> Reviewed-by: Jocelyn Falempe <[email protected]> --- 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