Re: [PATCH v1 17/40] util: hook: use VIR_AUTOFREE instead of VIR_FREE for scalar types

[Erik Skultety <eskultet@xxxxxxxxxx>]

On Sat, Jul 21, 2018 at 05:36:49PM +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 <skrtbhtngr@xxxxxxxxx>
> ---
>  src/util/virhook.c | 16 +++++-----------
>  1 file changed, 5 insertions(+), 11 deletions(-)
>
> diff --git a/src/util/virhook.c b/src/util/virhook.c
> index facd74a..51f0eb5 100644
> --- a/src/util/virhook.c
> +++ b/src/util/virhook.c
> @@ -122,8 +122,7 @@ static int virHooksFound = -1;
>  static int
>  virHookCheck(int no, const char *driver)
>  {
> -    char *path;
> -    int ret;
> +    VIR_AUTOFREE(char *) path = NULL;
>
>      if (driver == NULL) {
>          virReportError(VIR_ERR_INTERNAL_ERROR,
> @@ -139,18 +138,15 @@ virHookCheck(int no, const char *driver)
>      }
>
>      if (!virFileExists(path)) {
> -        ret = 0;
>          VIR_DEBUG("No hook script %s", path);
> +        return 0;
>      } else if (!virFileIsExecutable(path)) {
> -        ret = 0;
>          VIR_WARN("Non-executable hook script %s", path);
> +        return 0;
>      } else {
> -        ret = 1;
>          VIR_DEBUG("Found hook script %s", path);
> +        return 1;

^this should be reworked in the following way:

if (!virFileExists) {
    VIR_DEBUG;
    return 0;
}

if (!virFileIsExecutable) {
    VIR_DEBUG;
    return 0;
}

VIR_DEBUG;
return 1;

Otherwise looks okay.
Reviewed-by: Erik Skultety <eskultet@xxxxxxxxxx>

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