[dpdk-dev] [PATCH v3 4/6] test/ring: fix wrong number of enq/deq elements

[Honnappa Nagarahalli]

<snip>

> 
> The ring capacity is (RING_SIZE - 1), thus only (RING_SIZE - 1) number of
> elements can be enqueued into the ring.
> 
> Fixes: af75078fece3 ("first public release")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Feifei Wang <feifei.wang2 at arm.com>
> Reviewed-by: Ruifeng Wang <ruifeng.wang at arm.com>
> Reviewed-by: Phil Yang <phil.yang at arm.com>
Looks good
Reviewed-by: Honnappa Nagarahalli <honnappa.nagarahalli at arm.com>

> ---
>  app/test/test_ring.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/app/test/test_ring.c b/app/test/test_ring.c index
> 63d44d85e..811adc523 100644
> --- a/app/test/test_ring.c
> +++ b/app/test/test_ring.c
> @@ -822,7 +822,7 @@ test_ring_basic_ex(void)
>  		printf("%u ring entries are now free\n",
>  			rte_ring_free_count(rp));
> 
> -		for (j = 0; j < RING_SIZE; j++) {
> +		for (j = 0; j < RING_SIZE - 1; j++) {
>  			ret = test_ring_enqueue(rp, cur_src, esize[i], 1,
>  				TEST_RING_THREAD_DEF |
> TEST_RING_ELEM_SINGLE);
>  			if (ret != 0) {
> @@ -839,7 +839,7 @@ test_ring_basic_ex(void)
>  			goto fail_test;
>  		}
> 
> -		for (j = 0; j < RING_SIZE; j++) {
> +		for (j = 0; j < RING_SIZE - 1; j++) {
>  			ret = test_ring_dequeue(rp, cur_dst, esize[i], 1,
>  				TEST_RING_THREAD_DEF |
> TEST_RING_ELEM_SINGLE);
>  			if (ret != 0) {
> --
> 2.17.1