[XFS] don't leak m_fsname/m_rtname/m_logname

Add a helper to free the m_fsname/m_rtname/m_logname allocations and use
it properly for all mount failure cases. Also switch the allocations for
these to kstrdup while we're at it.

SGI-PV: 981498

SGI-Modid: xfs-linux-melb:xfs-kern:31728a

Signed-off-by: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Niv Sardi <xaiki@sgi.com>
Signed-off-by: David Chinner <david@fromorbit.com>
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>

1 files changed, 0 insertions, 7 deletions

diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 6c5d1325e7f6..31699b19bb3c 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -146,13 +146,6 @@ xfs_mount_free(
         mutex_destroy(&mp->m_growlock);
         if (mp->m_quotainfo)
                 XFS_QM_DONE(mp);
-
-        if (mp->m_fsname != NULL)
-                kmem_free(mp->m_fsname);
-        if (mp->m_rtname != NULL)
-                kmem_free(mp->m_rtname);
-        if (mp->m_logname != NULL)
-                kmem_free(mp->m_logname);
 }
 
 /*