svn commit: r246909 - head/sys/kern

[Pawel Jakub Dawidek]

Author: pjd
Date: Sun Feb 17 11:53:51 2013
New Revision: 246909
URL: http://svnweb.freebsd.org/changeset/base/246909

Log:
  - Require CAP_FSYNC capability right when opening a file with O_SYNC or O_FSYNC
    flags.
  - While here simplify check for locking flags.
  
  Sponsored by:	The FreeBSD Foundation

Modified:
  head/sys/kern/vfs_syscalls.c

Modified: head/sys/kern/vfs_syscalls.c
==============================================================================
--- head/sys/kern/vfs_syscalls.c	Sun Feb 17 11:49:21 2013	(r246908)
+++ head/sys/kern/vfs_syscalls.c	Sun Feb 17 11:53:51 2013	(r246909)
@@ -980,7 +980,10 @@ flags_to_rights(int flags)
 	if (flags & O_TRUNC)
 		rights |= CAP_FTRUNCATE;
 
-	if ((flags & O_EXLOCK) || (flags & O_SHLOCK))
+	if (flags & (O_SYNC | O_FSYNC))
+		rights |= CAP_FSYNC;
+
+	if (flags & (O_EXLOCK | O_SHLOCK))
 		rights |= CAP_FLOCK;
 
 	return (rights);