drm/exynos: Replaced kzalloc & memcpy with kmemdup

Replaced calls to kzalloc followed by memcpy with call to kmemdup.
Patch found using coccinelle.

Signed-off-by: Alexandru Gheorghiu <gheorghiuandru@gmail.com>
Acked-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
index 13ccbd4bcfaa8c863f27d24870101c32166ecb47..9504b0cd825a4dc9d4b81c2be674eb0897eb137d 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c
@@ -117,13 +117,12 @@ static struct edid *vidi_get_edid(struct device *dev,
        }
 
        edid_len = (1 + ctx->raw_edid->extensions) * EDID_LENGTH;
-       edid = kzalloc(edid_len, GFP_KERNEL);
+       edid = kmemdup(ctx->raw_edid, edid_len, GFP_KERNEL);
        if (!edid) {
                DRM_DEBUG_KMS("failed to allocate edid\n");
                return ERR_PTR(-ENOMEM);
        }
 
-       memcpy(edid, ctx->raw_edid, edid_len);
        return edid;
 }
 
@@ -563,12 +562,11 @@ int vidi_connection_ioctl(struct drm_device *drm_dev, void *data,
                        return -EINVAL;
                }
                edid_len = (1 + raw_edid->extensions) * EDID_LENGTH;
-               ctx->raw_edid = kzalloc(edid_len, GFP_KERNEL);
+               ctx->raw_edid = kmemdup(raw_edid, edid_len, GFP_KERNEL);
                if (!ctx->raw_edid) {
                        DRM_DEBUG_KMS("failed to allocate raw_edid.\n");
                        return -ENOMEM;
                }
-               memcpy(ctx->raw_edid, raw_edid, edid_len);
        } else {
                /*
                 * with connection = 0, free raw_edid