Re: [Xen-devel] [PATCH] libxl: do not call exit() in libxl_device_vtpm_list

[Jim Fehlig <jfehlig@xxxxxxxx>]

Marek Marczykowski wrote:
> Signal error with NULL return value, do not terminate the whole process.
>
> Signed-off-by: Marek Marczykowski <marmarek@xxxxxxxxxxxxxxxxxxxxxx>
> ---
>  tools/libxl/libxl.c | 11 ++++++-----
>  1 file changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c
> index 03fd35a..5b9a3df 100644
> --- a/tools/libxl/libxl.c
> +++ b/tools/libxl/libxl.c
> @@ -1860,11 +1860,12 @@ libxl_device_vtpm *libxl_device_vtpm_list(libxl_ctx 
> *ctx, uint32_t domid, int *n
>            vtpm->backend_domid = atoi(tmp);
>  
>            tmp = libxl__xs_read(gc, XBT_NULL, GCSPRINTF("%s/uuid", be_path));
> -          if(tmp) {
> -             if(libxl_uuid_from_string(&(vtpm->uuid), tmp)) {
> -                LOG(ERROR, "%s/uuid is a malformed uuid?? (%s) Probably a 
> bug!!\n", be_path, tmp);
> -                exit(1);
> -             }
>   

Ouch.  libxl shouldn't be calling exit :).

> +          if (tmp) {
> +              if(libxl_uuid_from_string(&(vtpm->uuid), tmp)) {
> +                  LOG(ERROR, "%s/uuid is a malformed uuid?? (%s) Probably a 
> bug!!\n", be_path, tmp);
> +                  free(vtpms);
> +                  return NULL;
> +              }
>            }
>         }
>      }
>   

    Reviewed-by: Jim Fehlig <jfehlig@xxxxxxxx>

Regards,
Jim


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