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Re: [Qemu-block] [PATCH] block/gluster.c: Handle qdict_array_entries() f


From: Jeff Cody
Subject: Re: [Qemu-block] [PATCH] block/gluster.c: Handle qdict_array_entries() failure
Date: Mon, 5 Jun 2017 16:34:13 -0400
User-agent: Mutt/1.5.24 (2015-08-30)

On Mon, Jun 05, 2017 at 06:01:38PM +0100, Peter Maydell wrote:
> In qemu_gluster_parse_json(), the call to qdict_array_entries()
> could return a negative error code, which we were ignoring
> because we assigned the result to an unsigned variable.
> Fix this by using the 'int' type instead, which matches the
> return type of qdict_array_entries() and also the type
> we use for the loop enumeration variable 'i'.
> 
> (Spotted by Coverity, CID 1360960.)
> 
> Signed-off-by: Peter Maydell <address@hidden>
> ---
>  block/gluster.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/block/gluster.c b/block/gluster.c
> index 031596a..addceed 100644
> --- a/block/gluster.c
> +++ b/block/gluster.c
> @@ -493,8 +493,7 @@ static int qemu_gluster_parse_json(BlockdevOptionsGluster 
> *gconf,
>      Error *local_err = NULL;
>      char *str = NULL;
>      const char *ptr;
> -    size_t num_servers;
> -    int i, type;
> +    int i, type, num_servers;
>  
>      /* create opts info from runtime_json_opts list */
>      opts = qemu_opts_create(&runtime_json_opts, NULL, 0, &error_abort);
> -- 
> 2.7.4
> 

Thanks,

Reviewed-by: Jeff Cody <address@hidden>

Also - applied to my block branch:

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

-Jeff



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