This is a note to let you know that I've just added the patch titled
drm/mediatek: Remove freeing not dynamic allocated memory
to the 6.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-mediatek-remove-freeing-not-dynamic-allocated-me.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 07b4a6274c1cf5fa66d16f04e8420d9bb12fac15
Author: Jason-JH.Lin <jason-jh.lin@xxxxxxxxxxxx>
Date: Fri Jul 14 17:49:05 2023 +0800
drm/mediatek: Remove freeing not dynamic allocated memory
[ Upstream commit 27b9e2ea3f2757da26bb8280e46f7fdbb1acb219 ]
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@xxxxxxxxxxxx>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxx>
Reviewed-by: CK Hu <ck.hu@xxxxxxxxxxxx>
Reviewed-by: Alexandre Mergnat <amergnat@xxxxxxxxxxxx>
Link: https://patchwork.kernel.org/project/dri-devel/patch/20230714094908.13087-2-jason-jh.lin@xxxxxxxxxxxx/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index 5071f1263216b..14ddfe3a6be77 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -115,10 +115,9 @@ 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;
@@ -128,7 +127,6 @@ 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;
}
@@ -144,7 +142,6 @@ 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
