Re: [PATCH 2/4] vl: Free accel_list in configure_accelerators

[Thomas Huth]

On 09/01/2020 03.17, Richard Henderson wrote:
> We allocate the list with g_strsplit, so free it too.
> This freeing was lost during one of the rearrangements.
> 
> Fixes: 6f6e1698a68c
> Signed-off-by: Richard Henderson <address@hidden>
> ---
>  vl.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/vl.c b/vl.c
> index be79b03c1a..c9329fe699 100644
> --- a/vl.c
> +++ b/vl.c
> @@ -2748,7 +2748,6 @@ static int do_configure_accelerator(void *opaque, 
> QemuOpts *opts, Error **errp)
>  static void configure_accelerators(const char *progname)
>  {
>      const char *accel;
> -    char **accel_list, **tmp;
>      bool init_failed = false;
>  
>      qemu_opts_foreach(qemu_find_opts("icount"),
> @@ -2756,6 +2755,8 @@ static void configure_accelerators(const char *progname)
>  
>      accel = qemu_opt_get(qemu_get_machine_opts(), "accel");
>      if (QTAILQ_EMPTY(&qemu_accel_opts.head)) {
> +        char **accel_list, **tmp;
> +
>          if (accel == NULL) {
>              /* Select the default accelerator */
>              if (!accel_find("tcg") && !accel_find("kvm")) {
> @@ -2787,6 +2788,7 @@ static void configure_accelerators(const char *progname)
>                  error_report("invalid accelerator %s", *tmp);
>              }
>          }
> +        g_strfreev(accel_list);
>      } else {
>          if (accel != NULL) {
>              error_report("The -accel and \"-machine accel=\" options are 
> incompatible");
> 

FYI, a fix for this is already part of Laurent's "Trivial branch
patches" PULL request from yesterday.

 Thomas