[dpdk-dev,6/6] examples: remove unneeded casts

Message ID 1423925950-5201-6-git-send-email-shemming@brocade.com (mailing list archive)
State Accepted, archived
Headers

Commit Message

Stephen Hemminger Feb. 14, 2015, 2:59 p.m. UTC
  *alloc() routines return void * and therefore cast is not needed.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 examples/kni/main.c       | 4 ++--
 examples/l3fwd-acl/main.c | 4 ++--
 examples/vhost/main.c     | 7 ++++---
 3 files changed, 8 insertions(+), 7 deletions(-)
  

Comments

Bruce Richardson Feb. 19, 2015, 3:02 p.m. UTC | #1
On Sat, Feb 14, 2015 at 09:59:10AM -0500, Stephen Hemminger wrote:
> *alloc() routines return void * and therefore cast is not needed.
> 
> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
> ---
>  examples/kni/main.c       | 4 ++--
>  examples/l3fwd-acl/main.c | 4 ++--
>  examples/vhost/main.c     | 7 ++++---
>  3 files changed, 8 insertions(+), 7 deletions(-)
> 
... <snip> ...
> diff --git a/examples/vhost/main.c b/examples/vhost/main.c
> index 3a35359..a96b19f 100644
> --- a/examples/vhost/main.c
> +++ b/examples/vhost/main.c
> @@ -2592,9 +2592,10 @@ new_device (struct virtio_net *dev)
>  
>  		}
>  
> -		vdev->regions_hpa = (struct virtio_memory_regions_hpa *) rte_zmalloc("vhost hpa region",
> -			sizeof(struct virtio_memory_regions_hpa) * vdev->nregions_hpa,
> -			RTE_CACHE_LINE_SIZE);
> +		vdev->regions_hpa = rte_calloc("vhost hpa region",
> +					       sizeof(struct virtio_memory_regions_hpa),
> +					       vdev->nregions_hpa,
> +					       RTE_CACHE_LINE_SIZE);

I know functionally it probably doesn't make a difference, but I think your
"num" and "size" parameters are reversed here.

/Bruce
  

Patch

diff --git a/examples/kni/main.c b/examples/kni/main.c
index 45b96bc..2bff1e1 100644
--- a/examples/kni/main.c
+++ b/examples/kni/main.c
@@ -462,8 +462,8 @@  parse_config(const char *arg)
 			goto fail;
 		}
 		kni_port_params_array[port_id] =
-			(struct kni_port_params*)rte_zmalloc("KNI_port_params",
-			sizeof(struct kni_port_params), RTE_CACHE_LINE_SIZE);
+			rte_zmalloc("KNI_port_params",
+				    sizeof(struct kni_port_params), RTE_CACHE_LINE_SIZE);
 		kni_port_params_array[port_id]->port_id = port_id;
 		kni_port_params_array[port_id]->lcore_rx =
 					(uint8_t)int_fld[i++];
diff --git a/examples/l3fwd-acl/main.c b/examples/l3fwd-acl/main.c
index f1f7601..20e071a 100644
--- a/examples/l3fwd-acl/main.c
+++ b/examples/l3fwd-acl/main.c
@@ -1047,13 +1047,13 @@  add_rules(const char *rule_path,
 
 	fseek(fh, 0, SEEK_SET);
 
-	acl_rules = (uint8_t *)calloc(acl_num, rule_size);
+	acl_rules = calloc(acl_num, rule_size);
 
 	if (NULL == acl_rules)
 		rte_exit(EXIT_FAILURE, "%s: failed to malloc memory\n",
 			__func__);
 
-	route_rules = (uint8_t *)calloc(route_num, rule_size);
+	route_rules = calloc(route_num, rule_size);
 
 	if (NULL == route_rules)
 		rte_exit(EXIT_FAILURE, "%s: failed to malloc memory\n",
diff --git a/examples/vhost/main.c b/examples/vhost/main.c
index 3a35359..a96b19f 100644
--- a/examples/vhost/main.c
+++ b/examples/vhost/main.c
@@ -2592,9 +2592,10 @@  new_device (struct virtio_net *dev)
 
 		}
 
-		vdev->regions_hpa = (struct virtio_memory_regions_hpa *) rte_zmalloc("vhost hpa region",
-			sizeof(struct virtio_memory_regions_hpa) * vdev->nregions_hpa,
-			RTE_CACHE_LINE_SIZE);
+		vdev->regions_hpa = rte_calloc("vhost hpa region",
+					       sizeof(struct virtio_memory_regions_hpa),
+					       vdev->nregions_hpa,
+					       RTE_CACHE_LINE_SIZE);
 		if (vdev->regions_hpa == NULL) {
 			RTE_LOG(ERR, VHOST_CONFIG, "Cannot allocate memory for hpa region\n");
 			rte_free(vdev);