[dpdk-dev] [PATCH v2] examples/qos_sched: fix negative loop bound

[dpdk-dev] [PATCH v2] examples/qos_sched: fix negative loop bound

[Michal Jastrzebski]

Fix issue reported by Coverity.
Date: Thu, 21 Apr 2016 13:47:35 +0200
Message-Id: <1461239256-8104-4-git-send-email-michalx.k.jastrzebski@intel.com>
X-Mailer: git-send-email 2.7.0
In-Reply-To: <1461239256-8104-1-git-send-email-michalx.k.jastrzebski@intel.com>
References: <1461239256-8104-1-git-send-email-michalx.k.jastrzebski@intel.com>

From: Slawomir Mrozowicz <slawomirx.mrozowicz@intel.com>

Coverity ID 30704: Negative loop bound
negative_returns: Using unsigned variable n_tokens in a loop exit condition.

Fixes: de3cfa2c9823 ("sched: initial import")

Signed-off-by: Slawomir Mrozowicz <slawomirx.mrozowicz@intel.com>
---
 examples/qos_sched/args.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/qos_sched/args.c b/examples/qos_sched/args.c
index 3e7fd08..7a98e5c 100644
--- a/examples/qos_sched/args.c
+++ b/examples/qos_sched/args.c
@@ -162,7 +162,7 @@ static int
 app_parse_opt_vals(const char *conf_str, char separator, uint32_t n_vals, uint32_t *opt_vals)
 {
 	char *string;
-	uint32_t i, n_tokens;
+	int i, n_tokens;
 	char *tokens[MAX_OPT_VALUES];
 
 	if (conf_str == NULL || opt_vals == NULL || n_vals == 0 || n_vals > MAX_OPT_VALUES)
-- 
1.9.1

Re: [dpdk-dev] [PATCH v2] examples/qos_sched: fix negative loop bound

[Dumitrescu, Cristian]

> -----Original Message-----
> From: Jastrzebski, MichalX K
> Sent: Thursday, April 21, 2016 12:48 PM
> To: Dumitrescu, Cristian <cristian.dumitrescu@intel.com>; Zhang, Roy Fan
> <roy.fan.zhang@intel.com>; Singh, Jasvinder <jasvinder.singh@intel.com>
> Cc: dev@dpdk.org; Mrozowicz, SlawomirX
> <slawomirx.mrozowicz@intel.com>
> Subject: [PATCH v2] examples/qos_sched: fix negative loop bound
> 
> From: Slawomir Mrozowicz <slawomirx.mrozowicz@intel.com>
> 
> Coverity ID 30704: Negative loop bound
> negative_returns: Using unsigned variable n_tokens in a loop exit condition.
> 
> Fixes: de3cfa2c9823 ("sched: initial import")
> 
> Signed-off-by: Slawomir Mrozowicz <slawomirx.mrozowicz@intel.com>
> ---
>  examples/qos_sched/args.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/examples/qos_sched/args.c b/examples/qos_sched/args.c
> index 3e7fd08..7a98e5c 100644
> --- a/examples/qos_sched/args.c
> +++ b/examples/qos_sched/args.c
> @@ -162,7 +162,7 @@ static int
>  app_parse_opt_vals(const char *conf_str, char separator, uint32_t n_vals,
> uint32_t *opt_vals)
>  {
>  	char *string;
> -	uint32_t i, n_tokens;
> +	int i, n_tokens;
>  	char *tokens[MAX_OPT_VALUES];
> 
>  	if (conf_str == NULL || opt_vals == NULL || n_vals == 0 || n_vals >
> MAX_OPT_VALUES)
> --
> 1.9.1

Acked-by: Cristian Dumitrescu <cristian.dumitrescu@intel.com>