[hurd] 14/21: libnetfs: fix file locking on peropen release

[Samuel Thibault]

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sthibault pushed a commit to branch upstream
in repository hurd.

commit b8c728ec51696c5d17ef09a00b3b193b70a487da
Author: Richard Braun <address@hidden>
Date:   Sun Jan 26 23:14:35 2014 +0100

    libnetfs: fix file locking on peropen release
    
    * libnetfs/release-peropen.c (netfs_release_peropen): Release the lock on
    the underlying node if the peropen status indicates it's not unlocked.
---
 libnetfs/release-peropen.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libnetfs/release-peropen.c b/libnetfs/release-peropen.c
index d4d3574..c206b43 100644
--- a/libnetfs/release-peropen.c
+++ b/libnetfs/release-peropen.c
@@ -18,6 +18,7 @@
    along with this program; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA. */
 
+#include <sys/file.h>
 #include "netfs.h"
 
 void
@@ -39,6 +40,10 @@ netfs_release_peropen (struct peropen *po)
       if (po->shadow_root_parent)
        mach_port_deallocate (mach_task_self (), po->shadow_root_parent);
 
+      if (po->lock_status != LOCK_UN)
+       fshelp_acquire_lock (&po->np->userlock, &po->lock_status,
+                            &po->np->lock, LOCK_UN);
+
       netfs_nput (po->np);
 
       free (po->path);

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