On Sat, Jul 21, 2018 at 05:36:47PM +0530, Sukrit Bhatnagar wrote:
> By making use of GNU C's cleanup attribute handled by the
> VIR_AUTOFREE macro for declaring scalar variables, majority
> of the VIR_FREE calls can be dropped, which in turn leads to
> getting rid of most of our cleanup sections.
>
> Signed-off-by: Sukrit Bhatnagar <[email protected]>
> ---
>  src/util/virfirewall.c | 16 +++++-----------
>  1 file changed, 5 insertions(+), 11 deletions(-)
>
> diff --git a/src/util/virfirewall.c b/src/util/virfirewall.c
> index dfd792f..b4a4d06 100644
> --- a/src/util/virfirewall.c
> +++ b/src/util/virfirewall.c
> @@ -511,7 +511,7 @@ void virFirewallRuleAddArgFormat(virFirewallPtr firewall,
>                                   virFirewallRulePtr rule,
>                                   const char *fmt, ...)
>  {
> -    char *arg;
> +    VIR_AUTOFREE(char *) arg = NULL;
>      va_list list;
>
>      VIR_FIREWALL_RULE_RETURN_IF_ERROR(firewall, rule);
> @@ -525,13 +525,11 @@ void virFirewallRuleAddArgFormat(virFirewallPtr 
> firewall,
>
>      va_end(list);
>
> -    VIR_FREE(arg);
>      return;
>
>   no_memory:
>      firewall->err = ENOMEM;
>      va_end(list);
> -    VIR_FREE(arg);

There could be an additional patch replacing the no_memory label with 'cleanup'
with the obvious adjustments.

With an additional patch in place:
Reviewed-by: Erik Skultety <[email protected]>

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