drm/mediatek: Remove freeing not dynamic allocated memory

Fixing the coverity issue of:
mtk_drm_cmdq_pkt_destroy frees address of mtk_crtc->cmdq_handle

So remove the free function.

Fixes: 7627122fd1c0 ("drm/mediatek: Add cmdq_handle in mtk_crtc")
Signed-off-by: Jason-JH.Lin <jason-jh.lin@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
Link: https://patchwork.kernel.org/project/dri-devel/patch/20230714094908.13087-2-jason-jh.lin@mediatek.com/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index d401428..8d44f3d 100644 (file)
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -116,10 +116,9 @@ static int mtk_drm_cmdq_pkt_create(struct cmdq_client *client, struct cmdq_pkt *
        dma_addr_t dma_addr;
 
        pkt->va_base = kzalloc(size, GFP_KERNEL);
-       if (!pkt->va_base) {
-               kfree(pkt);
+       if (!pkt->va_base)
                return -ENOMEM;
-       }
+
        pkt->buf_size = size;
        pkt->cl = (void *)client;
 
@@ -129,7 +128,6 @@ static int mtk_drm_cmdq_pkt_create(struct cmdq_client *client, struct cmdq_pkt *
        if (dma_mapping_error(dev, dma_addr)) {
                dev_err(dev, "dma map failed, size=%u\n", (u32)(u64)size);
                kfree(pkt->va_base);
-               kfree(pkt);
                return -ENOMEM;
        }
 
@@ -145,7 +143,6 @@ static void mtk_drm_cmdq_pkt_destroy(struct cmdq_pkt *pkt)
        dma_unmap_single(client->chan->mbox->dev, pkt->pa_base, pkt->buf_size,
                         DMA_TO_DEVICE);
        kfree(pkt->va_base);
-       kfree(pkt);
 }
 #endif