Re: [dpdk-dev] [PATCH] examples/flow_classify: fix fseek error handling

["Singh, Jasvinder" <jasvinder.singh@intel.com>]

> -----Original Message-----
> From: Iremonger, Bernard
> Sent: Wednesday, November 1, 2017 12:10 PM
> To: dev@dpdk.org; Singh, Jasvinder <jasvinder.singh@intel.com>
> Cc: Iremonger, Bernard <bernard.iremonger@intel.com>
> Subject: [PATCH] examples/flow_classify: fix fseek error handling
> 
> Check return value of fseek and exit if non zero.
> 
> Coverity issue: 143435
> 
> Fixes: bab16ddaf2c1 ("examples/flow_classify: add sample application")
> Signed-off-by: Bernard Iremonger <bernard.iremonger@intel.com>
> ---
>  examples/flow_classify/flow_classify.c | 8 ++++++--
>  1 file changed, 6 insertions(+), 2 deletions(-)
> 
> diff --git a/examples/flow_classify/flow_classify.c
> b/examples/flow_classify/flow_classify.c
> index e4cabdb..766f1dd 100644
> --- a/examples/flow_classify/flow_classify.c
> +++ b/examples/flow_classify/flow_classify.c
> @@ -657,13 +657,17 @@ static __attribute__((noreturn)) void
>  	unsigned int i = 0;
>  	unsigned int total_num = 0;
>  	struct rte_eth_ntuple_filter ntuple_filter;
> +	int ret;
> 
>  	fh = fopen(rule_path, "rb");
>  	if (fh == NULL)
> -		rte_exit(EXIT_FAILURE, "%s: Open %s failed\n", __func__,
> +		rte_exit(EXIT_FAILURE, "%s: fopen %s failed\n", __func__,
>  			rule_path);
> 
> -	fseek(fh, 0, SEEK_SET);
> +	ret = fseek(fh, 0, SEEK_SET);
> +	if (ret)
> +		rte_exit(EXIT_FAILURE, "%s: fseek %d failed\n", __func__,
> +			ret);
> 
>  	i = 0;
>  	while (fgets(buff, LINE_MAX, fh) != NULL) {
> --
> 1.9.1

Acked-by: Jasvinder Singh <jasvinder.singh@intel.com>