[dpdk-dev] [PATCH] examples/kni: unchecked return value

Thomas Monjalon thomas.monjalon at 6wind.com
Mon May 16 14:32:38 CEST 2016


2016-05-09 11:38, Daniel Mrzyglod:
> Fix issue reported by Coverity.
> Coverity ID 30692

Better to put reference on top of Fixes: line.

> If the function returns an error value, the error value may be mistaken for
> a normal value.
> 
> In kni_free_kni: Value returned from a function is not checked for errors
> before being used

One of the 2 sentences is enough.

> Fixes: b475eb0bc400 ("examples/kni: new parameters")
> 
> Signed-off-by: Daniel Mrzyglod <danielx.t.mrzyglod at intel.com>
> ---
>  examples/kni/main.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/examples/kni/main.c b/examples/kni/main.c
> index a5297f2..dcecd09 100644
> --- a/examples/kni/main.c
> +++ b/examples/kni/main.c
> @@ -831,7 +831,8 @@ kni_free_kni(uint8_t port_id)
>  		return -1;
>  
>  	for (i = 0; i < p[port_id]->nb_kni; i++) {
> -		rte_kni_release(p[port_id]->kni[i]);
> +		if (rte_kni_release(p[port_id]->kni[i]))
> +			printf("fail to release kni\n");

Other error messages of this file start with an uppercase.

Applied with above changes, thanks


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