Re: [PATCH] tools: PCI: Fix memory leak in run_test

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On Thu, Jun 11, 2020 at 07:32:46PM +0800, Peng Fan wrote:
> We should free "test" before the return of run_test.
> 
> Signed-off-by: Peng Fan <fanpeng@xxxxxxxxxxx>
> ---
>  tools/pci/pcitest.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/tools/pci/pcitest.c b/tools/pci/pcitest.c
> index 0a1344c..7c20332 100644
> --- a/tools/pci/pcitest.c
> +++ b/tools/pci/pcitest.c
> @@ -47,6 +47,7 @@ static int run_test(struct pci_test *test)
>  	fd = open(test->device, O_RDWR);
>  	if (fd < 0) {
>  		perror("can't open PCI Endpoint Test device");
> +		free(test);
>  		return -ENODEV;
>  	}
>  
> @@ -151,6 +152,7 @@ static int run_test(struct pci_test *test)
>  
>  	fflush(stdout);
>  	close(fd);
> +	free(test);
>  	return (ret < 0) ? ret : 1 - ret; /* return 0 if test succeeded */
>  }
>  
> -- 
> 2.1.0

This is not necessary, though good practice but I would do it when
run_test() returns not as you did.

Patch dropped, feel free to resend it.

Lorenzo




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