Re: [dpdk-dev] [PATCH 2/4] bus/fslmc: fix printf of null pointer

[David Marchand <david.marchand@redhat.com>]

On Wed, May 1, 2019 at 9:50 PM Bruce Richardson <bruce.richardson@intel.com>
wrote:

> Printing a null pointer with %s is flagged as a warning by GCC 9, and
> should not be done. Replace the %s with the word "null" itself.
>
> Fixes: 828d51d8fc3e ("bus/fslmc: refactor scan and probe functions")
> Cc: shreyansh.jain@nxp.com
>
> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
> ---
>  drivers/bus/fslmc/fslmc_bus.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/bus/fslmc/fslmc_bus.c b/drivers/bus/fslmc/fslmc_bus.c
> index eaa39a209..f6e66d22c 100644
> --- a/drivers/bus/fslmc/fslmc_bus.c
> +++ b/drivers/bus/fslmc/fslmc_bus.c
> @@ -197,7 +197,7 @@ scan_one_fslmc_device(char *dev_name)
>
>         t_ptr = strtok(NULL, ".");
>         if (!t_ptr) {
> -               DPAA2_BUS_ERR("Incorrect device string observed (%s)",
> t_ptr);
> +               DPAA2_BUS_ERR("Incorrect device string observed (null)");
>

I'd rather print dev_name here, since t_ptr == NULL means that dev_name
format is incorrect.


-- 
David Marchand