Re: [Qemu-devel] [PATCH v3 05/13] 9p: darwin: Explicitly cast comparisons of mode_t with -1

[Greg Kurz <groug@kaod.org>]

On Sat, 16 Jun 2018 20:56:49 -0400
Keno Fischer <keno@juliacomputing.com> wrote:

> Comparisons of mode_t with -1 require an explicit cast, since mode_t
> is unsigned on Darwin.
> 
> Signed-off-by: Keno Fischer <keno@juliacomputing.com>
> ---

Applied to 9p-next.

>  hw/9pfs/9p-local.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/hw/9pfs/9p-local.c b/hw/9pfs/9p-local.c
> index d713983..98d4073 100644
> --- a/hw/9pfs/9p-local.c
> +++ b/hw/9pfs/9p-local.c
> @@ -310,7 +310,7 @@ update_map_file:
>      if (credp->fc_gid != -1) {
>          gid = credp->fc_gid;
>      }
> -    if (credp->fc_mode != -1) {
> +    if (credp->fc_mode != (mode_t)-1) {
>          mode = credp->fc_mode;
>      }
>      if (credp->fc_rdev != -1) {
> @@ -416,7 +416,7 @@ static int local_set_xattrat(int dirfd, const char *path, FsCred *credp)
>              return err;
>          }
>      }
> -    if (credp->fc_mode != -1) {
> +    if (credp->fc_mode != (mode_t)-1) {
>          uint32_t tmp_mode = cpu_to_le32(credp->fc_mode);
>          err = fsetxattrat_nofollow(dirfd, path, "user.virtfs.mode", &tmp_mode,
>                                     sizeof(mode_t), 0);