Re: [PATCH] bus: mhi: host: free buffer on error in mhi_alloc_bhie_table

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On Wed, Feb 07, 2024 at 09:51:36AM +0300, Fedor Pchelkin wrote:
> img_info->mhi_buf should be freed on error path in mhi_alloc_bhie_table().
> This error case is rare but still needs to be fixed.
> 
> Found by Linux Verification Center (linuxtesting.org).
> 
> Fixes: 3000f85b8f47 ("bus: mhi: core: Add support for basic PM operations")
> Signed-off-by: Fedor Pchelkin <pchelkin@xxxxxxxxx>

Applied to mhi-next!

- Mani

> ---
>  drivers/bus/mhi/host/boot.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/bus/mhi/host/boot.c b/drivers/bus/mhi/host/boot.c
> index edc0ec5a0933..738dcd11b66f 100644
> --- a/drivers/bus/mhi/host/boot.c
> +++ b/drivers/bus/mhi/host/boot.c
> @@ -357,6 +357,7 @@ int mhi_alloc_bhie_table(struct mhi_controller *mhi_cntrl,
>  	for (--i, --mhi_buf; i >= 0; i--, mhi_buf--)
>  		dma_free_coherent(mhi_cntrl->cntrl_dev, mhi_buf->len,
>  				  mhi_buf->buf, mhi_buf->dma_addr);
> +	kfree(img_info->mhi_buf);
>  
>  error_alloc_mhi_buf:
>  	kfree(img_info);
> -- 
> 2.39.2
> 

-- 
மணிவண்ணன் சதாசிவம்




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