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drm/panic: Return -EINVAL if font is not available

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

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Jocelyn Falempe <jfalempe@redhat.com>
Link: https://patch.msgid.link/20260911124540.279841-4-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2026-09-11 14:43:56 +02:00
parent 6a6304ec3c
commit e2b01faedb
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/drm_panic.c
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@ -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);