svn commit: r237081 - head/sys/sys
Pawel Jakub Dawidek
pjd at FreeBSD.org
Thu Jun 14 16:24:03 UTC 2012
Author: pjd
Date: Thu Jun 14 16:24:03 2012
New Revision: 237081
URL: http://svn.freebsd.org/changeset/base/237081
Log:
Explicitly assert that the filedesc lock is held when the fget_locked()
function is called.
MFC after: 1 month
Modified:
head/sys/sys/filedesc.h
Modified: head/sys/sys/filedesc.h
==============================================================================
--- head/sys/sys/filedesc.h Thu Jun 14 16:23:16 2012 (r237080)
+++ head/sys/sys/filedesc.h Thu Jun 14 16:24:03 2012 (r237081)
@@ -142,7 +142,12 @@ static __inline struct file *
fget_locked(struct filedesc *fdp, int fd)
{
- return (fd < 0 || fd >= fdp->fd_nfiles ? NULL : fdp->fd_ofiles[fd]);
+ FILEDESC_LOCK_ASSERT(fdp);
+
+ if (fd < 0 || fd >= fdp->fd_nfiles)
+ return (NULL);
+
+ return (fdp->fd_ofiles[fd]);
}
#endif /* _KERNEL */
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