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Diffstat (limited to 'drivers/gpu/drm/drm_rect.c')
| -rw-r--r-- | drivers/gpu/drm/drm_rect.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_rect.c b/drivers/gpu/drm/drm_rect.c index 66c41b12719c..70f0dc83d1d7 100644 --- a/drivers/gpu/drm/drm_rect.c +++ b/drivers/gpu/drm/drm_rect.c @@ -52,7 +52,12 @@ EXPORT_SYMBOL(drm_rect_intersect); static u32 clip_scaled(u32 src, u32 dst, u32 clip) { - u64 tmp = mul_u32_u32(src, dst - clip); + u64 tmp; + + if (dst == 0) + return 0; + + tmp = mul_u32_u32(src, dst - clip); /* * Round toward 1.0 when clipping so that we don't accidentally |