[PATCH v2 4/8] eventdev: fix calloc parameters

fengchengwen fengchengwen at huawei.com
Thu Jan 25 03:34:50 CET 2024


Reviewed-by: Chengwen Feng <fengchengwen at huawei.com>

Thanks

On 2024/1/25 2:54, Ferruh Yigit wrote:
> gcc [1] generates warning [2] about calloc usage, because calloc
> parameter order is wrong, fixing it by replacing parameters.
> 
> [1]
> gcc (GCC) 14.0.1 20240124 (experimental)
> 
> [2]
> Compiling C object lib/librte_eventdev.a.p/eventdev_rte_eventdev.c.o
> ../lib/eventdev/rte_eventdev.c: In function ‘handle_dev_dump’:
> ../lib/eventdev/rte_eventdev.c:2005:29:
>   warning: ‘calloc’ sizes specified with ‘sizeof’ in the earlier
>   argument and not in the later argument [-Wcalloc-transposed-args]
>  2005 |     buf = calloc(sizeof(char), RTE_TEL_MAX_SINGLE_STRING_LEN);
>       |                         ^~~~
> 
> Fixes: a3b7b476d723 ("eventdev: support telemetry dump eventdev")
> Cc: stable at dpdk.org
> 
> Signed-off-by: Ferruh Yigit <ferruh.yigit at amd.com>
> ---
> Cc: fengchengwen at huawei.com
> ---
>  lib/eventdev/rte_eventdev.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/lib/eventdev/rte_eventdev.c b/lib/eventdev/rte_eventdev.c
> index 157752868d5b..1c865e993fec 100644
> --- a/lib/eventdev/rte_eventdev.c
> +++ b/lib/eventdev/rte_eventdev.c
> @@ -2002,7 +2002,7 @@ handle_dev_dump(const char *cmd __rte_unused,
>  
>  	RTE_EVENTDEV_VALID_DEVID_OR_ERR_RET(dev_id, -EINVAL);
>  
> -	buf = calloc(sizeof(char), RTE_TEL_MAX_SINGLE_STRING_LEN);
> +	buf = calloc(RTE_TEL_MAX_SINGLE_STRING_LEN, sizeof(char));
>  	if (buf == NULL)
>  		return -ENOMEM;
>  
> 


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