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SubjectRe: [PATCH v2] usb: gadget: aspeed_udc: Add check for dma_alloc_coherent
On Wed, Dec 14, 2022 at 10:54:14AM +0800, Jiasheng Jiang wrote:
> Add the check for the return value of dma_alloc_coherent in order to
> avoid NULL pointer dereference.
>
> This flaw was found using an experimental static analysis tool we are
> developing, APP-Miner, which has not been disclosed.
>
> The allyesconfig build using GCC 9.3.0 shows no new warning. As we
> don't have a UDC device to test with, no runtime testing was able to
> be performed.
>
> Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
> ---
> Changelog:
>
> v1 -> v2:
>
> 1. Add "goto err;" when allocation fails.

You already sent a previous v2 that differs from this one, this should
be v3, right?

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