Re: [Qemu-devel] [Qemu-block] [PATCH] sheepdog: Fix sd_co_create_opts() memory leaks

[Jeff Cody <jcody@redhat.com>]

On Thu, May 03, 2018 at 05:35:09PM +0200, Kevin Wolf wrote:
> Both the option string for the 'redundancy' option and the
> SheepdogRedundancy object that is created accordingly could be leaked in
> error paths. This fixes the memory leaks.
> 
> Reported by Coverity (CID 1390614 and 1390641).
> 
> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
> ---
>  block/sheepdog.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/block/sheepdog.c b/block/sheepdog.c
> index a2f26efc0e..6ec647e558 100644
> --- a/block/sheepdog.c
> +++ b/block/sheepdog.c
> @@ -1987,6 +1987,7 @@ static SheepdogRedundancy *parse_redundancy_str(const char *opt)
>      } else {
>          ret = qemu_strtol(n2, NULL, 10, &parity);
>          if (ret < 0) {
> +            g_free(redundancy);
>              return NULL;
>          }
>  
> @@ -2183,7 +2184,7 @@ static int coroutine_fn sd_co_create_opts(const char *filename, QemuOpts *opts,
>      QDict *qdict, *location_qdict;
>      QObject *crumpled;
>      Visitor *v;
> -    const char *redundancy;
> +    char *redundancy;
>      Error *local_err = NULL;
>      int ret;
>  
> @@ -2253,6 +2254,7 @@ static int coroutine_fn sd_co_create_opts(const char *filename, QemuOpts *opts,
>  fail:
>      qapi_free_BlockdevCreateOptions(create_options);
>      QDECREF(qdict);
> +    g_free(redundancy);
>      return ret;
>  }
>  
> -- 
> 2.13.6
> 
> 

Thanks,

Reviewed & applied to my block branch:

git://github.com/codyprime/qemu-kvm-jtc block

-Jeff