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path: root/drivers/gpu/drm/mediatek/mtk_drm_gem.c
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Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_drm_gem.c')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_drm_gem.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.c b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
index 0e0a41b2f57f..4f2e3feabc0f 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_gem.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
@@ -121,7 +121,14 @@ int mtk_drm_gem_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
int ret;
args->pitch = DIV_ROUND_UP(args->width * args->bpp, 8);
- args->size = args->pitch * args->height;
+
+ /*
+ * Multiply 2 variables of different types,
+ * for example: args->size = args->spacing * args->height;
+ * may cause coverity issue with unintentional overflow.
+ */
+ args->size = args->pitch;
+ args->size *= args->height;
mtk_gem = mtk_drm_gem_create(dev, args->size, false);
if (IS_ERR(mtk_gem))