svn commit: r204576 - head/sys/fs/msdosfs

[Konstantin Belousov]

Author: kib
Date: Tue Mar  2 11:02:59 2010
New Revision: 204576
URL: http://svn.freebsd.org/changeset/base/204576

Log:
  Only destroy pm_fatlock on error if it was initialized.
  
  MFC after:	3 weeks

Modified:
  head/sys/fs/msdosfs/msdosfs_vfsops.c

Modified: head/sys/fs/msdosfs/msdosfs_vfsops.c
==============================================================================
--- head/sys/fs/msdosfs/msdosfs_vfsops.c	Tue Mar  2 11:00:10 2010	(r204575)
+++ head/sys/fs/msdosfs/msdosfs_vfsops.c	Tue Mar  2 11:02:59 2010	(r204576)
@@ -770,8 +770,8 @@ error_exit:
 		g_topology_unlock();
 		PICKUP_GIANT();
 	}
-	lockdestroy(&pmp->pm_fatlock);
 	if (pmp) {
+		lockdestroy(&pmp->pm_fatlock);
 		if (pmp->pm_inusemap)
 			free(pmp->pm_inusemap, M_MSDOSFSFAT);
 		free(pmp, M_MSDOSFSMNT);