Author: jh
Date: Fri Apr 20 10:08:30 2012
New Revision: 234489
URL: http://svn.freebsd.org/changeset/base/234489
Log:
The value of flags matching VNOVAL can't be supported. Return EOPNOTSUPP
from setfflags() in this case. This fixes the return value of
chflags(path, -1).
Discussed with: bde
MFC after: 2 weeks
Modified:
head/sys/kern/vfs_syscalls.c
Modified: head/sys/kern/vfs_syscalls.c
==============================================================================
--- head/sys/kern/vfs_syscalls.c Fri Apr 20 10:06:28 2012
(r234488)
+++ head/sys/kern/vfs_syscalls.c Fri Apr 20 10:08:30 2012
(r234489)
@@ -2744,6 +2744,10 @@ setfflags(td, vp, flags)
struct mount *mp;
struct vattr vattr;
+ /* We can't support the value matching VNOVAL. */
+ if (flags == VNOVAL)
+ return (EOPNOTSUPP);
+
/*
* Prevent non-root users from setting flags on devices. When
* a device is reused, users can retain ownership of the device
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