linux-kernel - Re: [PATCH v2] tools: PCI: Zero-initialize param

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Date:   Wed, 14 Jul 2021 19:02:46 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Shunyong Yang <yang.shunyong@...il.com>, <bhelgaas@...gle.com>,
        <lorenzo.pieralisi@....com>, <kw@...ux.com>, <leon@...nel.org>
CC:     <linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] tools: PCI: Zero-initialize param



On 14/07/21 6:53 pm, Shunyong Yang wrote:
> The values in param may be random if they are not initialized, which
> may cause use_dma flag set even when "-d" option is not provided
> in command line. Initializing all members to 0 to solve this.
> 
> Signed-off-by: Shunyong Yang <yang.shunyong@...il.com>

Thanks for the fix.

Acked-by: Kishon Vijay Abraham I <kishon@...com>


> ---
> v2: Change {0} to {} as Leon Romanovsky's comment.
> ---
>  tools/pci/pcitest.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tools/pci/pcitest.c b/tools/pci/pcitest.c
> index 0a1344c45213..441b54234635 100644
> --- a/tools/pci/pcitest.c
> +++ b/tools/pci/pcitest.c
> @@ -40,7 +40,7 @@ struct pci_test {
>  
>  static int run_test(struct pci_test *test)
>  {
> -	struct pci_endpoint_test_xfer_param param;
> +	struct pci_endpoint_test_xfer_param param = {};
>  	int ret = -EINVAL;
>  	int fd;
>  
>