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[HUST CSE]NULL POINTER (#7220)

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* avoids the risk of a null pointer

* 将｜｜改成&&来判断断言
There is a possibility of a null pointer

* there is a possibility of a null pointer

* Update components/drivers/fdt/src/dtb_get.c

Co-authored-by: Man, Jianting (Meco) <920369182@qq.com>

* 已根据代码规范进行修改，谢谢提醒

---------

Co-authored-by: Man, Jianting (Meco) <920369182@qq.com>
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Hy 2023-04-17 08:12:27 +08:00 committed by GitHub
parent 60835af8e1
commit 7c629d974d
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2 changed files with 2 additions and 1 deletions
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components/drivers/fdt/src/dtb_get.c
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@ -724,6 +724,7 @@ struct dtb_memreserve *dtb_node_get_dtb_memreserve(struct dtb_node *dtb_node, in
} }
dtb_node_root = dtb_node_root->parent; dtb_node_root = dtb_node_root->parent;
} }
if(dtb_node_root == NULL) return NULL;
*memreserve_size = dtb_node_root->header->memreserve_sz; *memreserve_size = dtb_node_root->header->memreserve_sz;