[dpdk-dev] [PATCH] examples/ip_pipipeline: fix resource leak

[Singh, Jasvinder]

> -----Original Message-----
> From: Pattan, Reshma
> Sent: Wednesday, April 18, 2018 5:58 PM
> To: dev at dpdk.org
> Cc: Singh, Jasvinder <jasvinder.singh at intel.com>; Pattan, Reshma
> <reshma.pattan at intel.com>
> Subject: [PATCH] examples/ip_pipipeline: fix resource leak
> 
> Close tap device fd before returning upon failures.
> 
> Coverity issue: 272576
> Fixes: 2f74ae28e2 ("examples/ip_pipeline: add tap object")
> CC: jasvinder.singh at intel.com
> 
> Signed-off-by: Reshma Pattan <reshma.pattan at intel.com>
> ---
>  examples/ip_pipeline/tap.c | 9 ++++++---
>  1 file changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/examples/ip_pipeline/tap.c b/examples/ip_pipeline/tap.c index
> 5b3403218..a0f60867f 100644
> --- a/examples/ip_pipeline/tap.c
> +++ b/examples/ip_pipeline/tap.c
> @@ -76,14 +76,17 @@ tap_create(const char *name)
>  	snprintf(ifr.ifr_name, IFNAMSIZ, "%s", name);
> 
>  	status = ioctl(fd, TUNSETIFF, (void *) &ifr);
> -	if (status < 0)
> +	if (status < 0) {
> +		close(fd);
>  		return NULL;
> +	}
> 
>  	/* Node allocation */
>  	tap = calloc(1, sizeof(struct tap));
> -	if (tap == NULL)
> +	if (tap == NULL) {
> +		close(fd);
>  		return NULL;
> -
> +	}
>  	/* Node fill in */
>  	strncpy(tap->name, name, sizeof(tap->name));
>  	tap->fd = fd;
> --
> 2.14.3
Reviewed-by: Jasvinder Singh <jasvinder.singh at intel.com>