From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/gpu/drm/mediatek/mtk_drm_gem.c | 10 ++++++----
1 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/kernel/drivers/gpu/drm/mediatek/mtk_drm_gem.c b/kernel/drivers/gpu/drm/mediatek/mtk_drm_gem.c
index 0583e55..b20ea58 100644
--- a/kernel/drivers/gpu/drm/mediatek/mtk_drm_gem.c
+++ b/kernel/drivers/gpu/drm/mediatek/mtk_drm_gem.c
@@ -142,8 +142,6 @@
ret = dma_mmap_attrs(priv->dma_dev, vma, mtk_gem->cookie,
mtk_gem->dma_addr, obj->size, mtk_gem->dma_attrs);
- if (ret)
- drm_gem_vm_close(vma);
return ret;
}
@@ -251,7 +249,11 @@
mtk_gem->kvaddr = vmap(mtk_gem->pages, npages, VM_MAP,
pgprot_writecombine(PAGE_KERNEL));
-
+ if (!mtk_gem->kvaddr) {
+ kfree(sgt);
+ kfree(mtk_gem->pages);
+ return NULL;
+ }
out:
kfree(sgt);
@@ -266,6 +268,6 @@
return;
vunmap(vaddr);
- mtk_gem->kvaddr = 0;
+ mtk_gem->kvaddr = NULL;
kfree(mtk_gem->pages);
}
--
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