[dpdk-dev] [PATCH] app/proc-info:fix port mask parse bug
Thomas Monjalon
thomas at monjalon.net
Mon Nov 5 12:41:14 CET 2018
+Cc Reshma
Please could you review this patch?
27/09/2018 09:01, Li Han:
> parse_portmask return type is int,but global variable
> "enabled_port_mask" type is uint32_t.so in proc_info_parse_args
> function,when parse_portmask return -1,"enabled_port_mask" will
> get a huge value and "if (enabled_port_mask == 0)" will never happen.
>
> Signed-off-by: Li Han <han.li1 at zte.com.cn>
> ---
> app/proc-info/main.c | 9 +++------
> 1 file changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/app/proc-info/main.c b/app/proc-info/main.c
> index c20effa..5b06735 100644
> --- a/app/proc-info/main.c
> +++ b/app/proc-info/main.c
> @@ -90,7 +90,7 @@
> /*
> * Parse the portmask provided at run time.
> */
> -static int
> +static uint32_t
> parse_portmask(const char *portmask)
> {
> char *end = NULL;
> @@ -103,13 +103,10 @@
> if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0') ||
> (errno != 0)) {
> printf("%s ERROR parsing the port mask\n", __func__);
> - return -1;
> + return 0;
> }
>
> - if (pm == 0)
> - return -1;
> -
> - return pm;
> + return (uint32_t)pm;
>
> }
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