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From: David Marchand <david.marchand@redhat.com>
To: Ferruh Yigit <ferruh.yigit@intel.com>
Cc: Maryam Tahhan <maryam.tahhan@intel.com>,
	Reshma Pattan <reshma.pattan@intel.com>,
	 Kuba Kozak <kubax.kozak@intel.com>, dev <dev@dpdk.org>,
	dpdk stable <stable@dpdk.org>
Subject: Re: [dpdk-stable] [PATCH v2 2/7] app/procinfo: fix negative check on unsigned variable
Date: Wed, 18 Nov 2020 15:10:30 +0100
Message-ID: <CAJFAV8xSF1EAfw2aN+eym+QKtZ6LKQTJ9yvwdOmAy6jAMzwXcg@mail.gmail.com> (raw)
In-Reply-To: <20201118114525.99053-3-ferruh.yigit@intel.com>

On Wed, Nov 18, 2020 at 12:46 PM Ferruh Yigit <ferruh.yigit@intel.com> wrote:
>
> 'parse_xstats_ids()' return 'int'. The return value is assigned to
> 'nb_xstats_ids' unsigned value, later negative check on this variable is
> wrong.
>
> Adding interim 'int' variable for negative check.
>
> Fixes: 7ac16a3660c0 ("app/proc-info: support xstats by ID and by name")
> Cc: stable@dpdk.org
>
> Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
> ---
>  app/proc-info/main.c | 7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/app/proc-info/main.c b/app/proc-info/main.c
> index 35e5b596eb..c11fe25af4 100644
> --- a/app/proc-info/main.c
> +++ b/app/proc-info/main.c
> @@ -301,14 +301,13 @@ proc_info_parse_args(int argc, char **argv)
>                         } else if (!strncmp(long_option[option_index].name,
>                                         "xstats-ids",
>                                         MAX_LONG_OPT_SZ))       {
> -                               nb_xstats_ids = parse_xstats_ids(optarg,
> +                               int ret = parse_xstats_ids(optarg,
>                                                 xstats_ids, MAX_NB_XSTATS_IDS);
> -
> -                               if (nb_xstats_ids <= 0) {
> +                               if (ret <= 0) {
>                                         printf("xstats-id list parse error.\n");
>                                         return -1;
>                                 }
> -
> +                               nb_xstats_ids = (uint32_t)ret;

The cast is unneeded.

Reviewed-by: David Marchand <david.marchand@redhat.com>


-- 
David Marchand


  reply	other threads:[~2020-11-18 14:10 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20201117171435.2303641-1-ferruh.yigit@intel.com>
2020-11-17 17:14 ` [dpdk-stable] [PATCH 1/4] app/procinfo: fix redundant condition Ferruh Yigit
2020-11-17 17:14 ` [dpdk-stable] [PATCH 2/4] app/procinfo: fix negative check on unsigned variable Ferruh Yigit
2020-11-17 17:14 ` [dpdk-stable] [PATCH 3/4] app/procinfo: remove suspicious sizeof Ferruh Yigit
2020-11-17 18:07   ` Varghese, Vipin
2020-11-17 17:14 ` [dpdk-stable] [PATCH 4/4] app/procinfo: remove useless assignment Ferruh Yigit
2020-11-17 18:04   ` Varghese, Vipin
2020-11-18 10:46     ` Ferruh Yigit
     [not found] ` <20201118114525.99053-1-ferruh.yigit@intel.com>
2020-11-18 11:45   ` [dpdk-stable] [PATCH v2 1/7] app/procinfo: fix redundant condition Ferruh Yigit
2020-11-18 14:10     ` [dpdk-stable] [dpdk-dev] " David Marchand
2020-11-19  9:34       ` Ferruh Yigit
2020-11-18 11:45   ` [dpdk-stable] [PATCH v2 2/7] app/procinfo: fix negative check on unsigned variable Ferruh Yigit
2020-11-18 14:10     ` David Marchand [this message]
2020-11-18 11:45   ` [dpdk-stable] [PATCH v2 3/7] app/procinfo: remove suspicious sizeof Ferruh Yigit
2020-11-18 14:10     ` David Marchand
2020-11-18 11:45   ` [dpdk-stable] [PATCH v2 4/7] app/procinfo: remove useless assignment Ferruh Yigit
2020-11-18 14:11     ` [dpdk-stable] [dpdk-dev] " David Marchand
2020-11-18 11:45   ` [dpdk-stable] [PATCH v2 5/7] net/pcap: remove local variable shadown outer one Ferruh Yigit
2020-11-18 14:11     ` [dpdk-stable] [dpdk-dev] " David Marchand
2020-11-18 11:45   ` [dpdk-stable] [PATCH v2 6/7] net/af_xdp: remove useless assignment Ferruh Yigit
2020-11-18 14:42     ` [dpdk-stable] [dpdk-dev] " David Marchand
2020-11-18 11:45   ` [dpdk-stable] [PATCH v2 7/7] net/bnxt: fix redundant return Ferruh Yigit
2020-11-18 14:42     ` David Marchand
2020-11-18 16:12       ` Ajit Khaparde

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