qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
* [Qemu-devel] [PATCH] linux-user: Fix compilation when F_SETPIPE_SZ isn't defined
@ 2016-06-30 16:33 Peter Maydell
  2016-06-30 17:51 ` Laurent Vivier
  0 siblings, 1 reply; 3+ messages in thread
From: Peter Maydell @ 2016-06-30 16:33 UTC (permalink / raw)
  To: qemu-devel; +Cc: patches, Riku Voipio

Older kernels don't have F_SETPIPE_SZ and F_GETPIPE_SZ (in
particular RHEL6's system headers don't define these). Add
ifdefs so that we can gracefully fall back to not supporting
those guest ioctls rather than failing to build.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
Reported by an anonymous IRC user...

 linux-user/syscall.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 6ad8239..165fd06 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -5598,10 +5598,12 @@ static int target_to_host_fcntl_cmd(int cmd)
 	case TARGET_F_SETOWN_EX:
 	    return F_SETOWN_EX;
 #endif
+#ifdef F_SETPIPE_SZ
         case TARGET_F_SETPIPE_SZ:
             return F_SETPIPE_SZ;
         case TARGET_F_GETPIPE_SZ:
             return F_GETPIPE_SZ;
+#endif
 	default:
             return -TARGET_EINVAL;
     }
-- 
1.9.1

^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2016-07-01 10:18 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2016-06-30 16:33 [Qemu-devel] [PATCH] linux-user: Fix compilation when F_SETPIPE_SZ isn't defined Peter Maydell
2016-06-30 17:51 ` Laurent Vivier
2016-07-01 10:17   ` Peter Maydell

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).