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-rw-r--r--drivers/gpu/drm/i915/gvt/fb_decoder.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gvt/fb_decoder.c b/drivers/gpu/drm/i915/gvt/fb_decoder.c
index 72f42176f35c..6cc99543693f 100644
--- a/drivers/gpu/drm/i915/gvt/fb_decoder.c
+++ b/drivers/gpu/drm/i915/gvt/fb_decoder.c
@@ -222,6 +222,12 @@ int intel_vgpu_decode_primary_plane(struct intel_vgpu *vgpu,
val & PLANE_CTL_ORDER_RGBX,
val & PLANE_CTL_ALPHA_MASK,
val & PLANE_CTL_YUV422_ORDER_MASK);
+
+ if (fmt >= ARRAY_SIZE(skl_pixel_formats)) {
+ gvt_vgpu_err("Out-of-bounds pixel format index\n");
+ return -EINVAL;
+ }
+
plane->bpp = skl_pixel_formats[fmt].bpp;
plane->drm_format = skl_pixel_formats[fmt].drm_format;
} else {