Re: [PULL 00/19] 9p queue 2022-03-04

[Christian Schoenebeck <qemu_oss@crudebyte.com>]

On Sonntag, 6. März 2022 21:59:55 CET Will Cohen wrote:
> On Fri, Mar 4, 2022 at 4:31 PM Will Cohen <wwcohen@gmail.com> wrote:
> > On Fri, Mar 4, 2022 at 3:16 PM Christian Schoenebeck <
> > 
> > qemu_oss@crudebyte.com> wrote:
> >> On Freitag, 4. März 2022 19:42:18 CET Peter Maydell wrote:
> >> > On Fri, 4 Mar 2022 at 12:32, Christian Schoenebeck
> >> > 
> >> > <qemu_oss@crudebyte.com> wrote:
> >> > > The following changes since commit
> >> 
> >> 5959ef7d431ffd02db112209cf55e47b677256fd:
> >> > >   Merge remote-tracking branch
> >> > >   'remotes/alistair/tags/pull-riscv-to-apply-20220303' into staging
> >> > >   (2022-03-03 19:59:38 +0000)>
> >> > > 
> >> > > are available in the Git repository at:
> >> > >   https://github.com/cschoenebeck/qemu.git tags/pull-9p-20220304
> >> > > 
> >> > > for you to fetch changes up to
> >> 
> >> 39edfe337c418995b2932a9a14a612fb0c329dc5:
> >> > >   fsdev/p9array.h: convert Doxygen -> kerneldoc format (2022-03-04
> >> > >   13:07:39 +0100)>
> >> > > 
> >> > > ----------------------------------------------------------------
> >> > > 9pfs: introduce macOS host support and cleanup
> >> > > 
> >> > > * Add support for Darwin (a.k.a. macOS) hosts.
> >> > > 
> >> > > * Code cleanup (move qemu_dirent_dup() from osdep -> 9p-util).
> >> > > 
> >> > > * API doc cleanup (convert Doxygen -> kerneldoc format).
> >> > 
> >> > This fails to build on my OSX box:
> >> > 
> >> > In file included from ../../hw/9pfs/9p-util-darwin.c:12:
> >> > ../../hw/9pfs/9p-util.h:57:1: error: unused label 'again'
> >> > [-Werror,-Wunused-label]
> >> > again:
> >> > ^~~~~~
> >> > 
> >> > because the use of the label is inside a #ifndef CONFIG_DARWIN
> >> > but the definition is not.
> >> > 
> >> > thanks
> >> > -- PMM
> >> 
> >> So basically it needs this change:
> >> 
> >> diff --git a/hw/9pfs/9p-util.h b/hw/9pfs/9p-util.h
> >> index cfa7af43c5..97e681e167 100644
> >> --- a/hw/9pfs/9p-util.h
> >> +++ b/hw/9pfs/9p-util.h
> >> @@ -54,7 +54,9 @@ static inline int openat_file(int dirfd, const char
> >> *name,
> >> int flags,
> >> 
> >>  {
> >>  
> >>      int fd, serrno, ret;
> >> 
> >> +#ifndef CONFIG_DARWIN
> >> 
> >>  again:
> >> +#endif
> >> 
> >>      fd = openat(dirfd, name, flags | O_NOFOLLOW | O_NOCTTY | O_NONBLOCK,
> >>      
> >>                  mode);
> >>      
> >>      if (fd == -1) {
> >> 
> >> Will, can you check why this did not fail there and whether there are
> >> probably
> >> more issues?
> >> 
> >> If that's the only one, let me know, then I would fix this on my end and
> >> resend a PR ASAP. Thanks!
> > 
> > These were just warnings for me so I didn’t worry about them. Will check
> > where else it appears when building!
> 
> When building using 9p.next, here's the full extent of warnings I see. It
> appears it's just that one again at 9p-util.h:57.
> 
> In file included from ../hw/9pfs/9p-xattr.c:23:
> ../hw/9pfs/9p-util.h:57:1: warning: unused label 'again' [-Wunused-label]
> again:
> ^~~~~~
> 1 warning generated.
> [3690/6798] Compiling C object libcommon.fa.p/hw_9pfs_9p-synth.c.o
> [3691/6798] Compiling C object libcommon.fa.p/hw_9pfs_9p-local.c.o
> In file included from ../hw/9pfs/9p-local.c:22:
> ../hw/9pfs/9p-util.h:57:1: warning: unused label 'again' [-Wunused-label]
> again:
> ^~~~~~
> 1 warning generated.
> [3692/6798] Compiling C object libcommon.fa.p/hw_9pfs_codir.c.o
> In file included from ../hw/9pfs/codir.c:26:
> ../hw/9pfs/9p-util.h:57:1: warning: unused label 'again' [-Wunused-label]
> again:
> ^~~~~~
> 1 warning generated.
> [3693/6798] Compiling C object libcommon.fa.p/hw_9pfs_coth.c.o
> [3694/6798] Compiling C object libcommon.fa.p/hw_9pfs_cofile.c.o
> [3695/6798] Compiling C object libcommon.fa.p/hw_9pfs_9p-proxy.c.o
> [3696/6798] Compiling C object libcommon.fa.p/hw_9pfs_9p-util-darwin.c.o
> In file included from ../hw/9pfs/9p-util-darwin.c:12:
> ../hw/9pfs/9p-util.h:57:1: warning: unused label 'again' [-Wunused-label]
> again:
> ^~~~~~
> 1 warning generated.
> In file included from ../hw/9pfs/9p.c:30:
> ../hw/9pfs/9p-util.h:57:1: warning: unused label 'again' [-Wunused-label]
> again:
> ^~~~~~
> 1 warning generated.

OK, I'll fix this (single) issue on my end then exactly as suggested by me, 
and I'll send a new PR today. Thanks!

Best regards,
Christian Schoenebeck