[dpdk-dev] [PATCH v2 01/18] eal: prepend busname on legacy device declaration

[Shreyansh Jain]

One very quick comment:

On Thursday 12 October 2017 01:51 PM, Gaetan Rivet wrote:
> Legacy device options (-b, -w, --vdev) need to prepend their bus name to
> user parameters for backward compatibility.
> 
> Signed-off-by: Gaetan Rivet <gaetan.rivet at 6wind.com>
> ---
>   lib/librte_eal/common/eal_common_options.c | 17 ++++++++++++-----
>   1 file changed, 12 insertions(+), 5 deletions(-)
> 
> diff --git a/lib/librte_eal/common/eal_common_options.c b/lib/librte_eal/common/eal_common_options.c
> index 630c9d2..d57cb5d 100644
> --- a/lib/librte_eal/common/eal_common_options.c
> +++ b/lib/librte_eal/common/eal_common_options.c
> @@ -143,13 +143,16 @@ static int mem_parsed;
>   static int core_parsed;
>   
>   static int
> -eal_option_device_add(enum rte_devtype type, const char *optarg)
> +eal_option_device_add(enum rte_devtype type,
> +		      const char *busname, const char *optarg)
>   {
>   	struct device_option *devopt;
>   	size_t optlen;
>   	int ret;
>   
>   	optlen = strlen(optarg) + 1;
> +	if (busname != NULL)
> +		optlen += strlen(optarg) + 1;

I think you want "optlen += strlen(busname) + 1";

>   	devopt = calloc(1, sizeof(*devopt) + optlen);
>   	if (devopt == NULL) {
>   		RTE_LOG(ERR, EAL, "Unable to allocate device option\n");

[...]