[SCM] Hurd branch, master, updated. v0.5-432-g520ef2e

[Justus Winter]

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- Log -----------------------------------------------------------------
commit 520ef2ed66d47bb81a55829a88dda81f62dc95e5
Author: Justus Winter <address@hidden>
Date:   Fri Jun 20 13:54:28 2014 +0200

    libdiskfs: fix reference counting of peropen objects
    
    Previously, peropen objects were created with a reference count of
    zero.  Therefore, if diskfs_create_protid fails, passing such an
    object to diskfs_release_peropen would lead to a reference count
    underflow.
    
    * libdiskfs/peropen-make.c (diskfs_peropen_make): Initialize reference
    count to one.
    * libdiskfs/protid-make.c (diskfs_start_protid): And consume this
    reference on success.  Update comment.
    (diskfs_create_protid): Update comment.
    * libdiskfs/diskfs.h: Update comments.
    * libdiskfs/io-duplicate.c (diskfs_S_io_duplicate): Adjust reference
    counting accordingly.
    * libdiskfs/io-reauthenticate.c (diskfs_S_io_reauthenticate): Likewise.
    * libdiskfs/io-restrict-auth.c (diskfs_S_io_restrict_auth): Likewise.
    * doc/hurd.texi (Diskfs Internals): Update accordingly.

-----------------------------------------------------------------------

Summary of changes:
 doc/hurd.texi                 |    4 ++--
 libdiskfs/diskfs.h            |    4 ++--
 libdiskfs/io-duplicate.c      |    3 +++
 libdiskfs/io-reauthenticate.c |    2 ++
 libdiskfs/io-restrict-auth.c  |    3 +++
 libdiskfs/peropen-make.c      |    2 +-
 libdiskfs/protid-make.c       |    6 +++---
 7 files changed, 16 insertions(+), 8 deletions(-)


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