Re: [PATCH] libvhost-user: Add GCC_FMT_ATTR and fix format string

[Raphael Norwitz]

On Thu, Aug 27, 2020 at 5:09 PM Stefan Weil <sw@weilnetz.de> wrote:
>
> Signed-off-by: Stefan Weil <sw@weilnetz.de>

Reviewed-by: Raphael Norwitz <raphael.norwitz@nutanix.com>

> ---
>  contrib/libvhost-user/libvhost-user.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/contrib/libvhost-user/libvhost-user.c 
> b/contrib/libvhost-user/libvhost-user.c
> index 53f16bdf08..ff7ac876f4 100644
> --- a/contrib/libvhost-user/libvhost-user.c
> +++ b/contrib/libvhost-user/libvhost-user.c
> @@ -151,7 +151,7 @@ vu_request_to_string(unsigned int req)
>      }
>  }
>
> -static void
> +static void GCC_FMT_ATTR(2, 3)
>  vu_panic(VuDev *dev, const char *msg, ...)
>  {
>      char *buf = NULL;
> @@ -643,7 +643,7 @@ generate_faults(VuDev *dev) {
>
>          if (ioctl(dev->postcopy_ufd, UFFDIO_REGISTER, &reg_struct)) {
>              vu_panic(dev, "%s: Failed to userfault region %d "
> -                          "@%p + size:%zx offset: %zx: (ufd=%d)%s\n",
> +                          "@%016"PRIx64" + size:%zx offset: %zx: 
> (ufd=%d)%s\n",
>                       __func__, i,
>                       dev_region->mmap_addr,
>                       dev_region->size, dev_region->mmap_offset,
> --
> 2.28.0
>
>