[PATCH] xfs: get mp from bma->ip in xfs_bmap code

[Eric Sandeen <sandeen@xxxxxxxxxx>]

In my earlier commit

  c29aad4 xfs: pass mp to XFS_WANT_CORRUPTED_GOTO

I added some local mp variables with code which indicates that
mp might be NULL.  Coverity doesn't like this now, because the
updated per-fs XFS_STATS macros dereference mp.

I don't think this is actually a problem; from what I can tell,
we cannot get to these functions with a null bma->tp, so my NULL
check was probably pointless.  Still, it's not super obvious.

So switch this code to get mp from the inode on the xfs_bmalloca
structure, with no conditional, because the functions are already
using bmap->ip directly.

Addresses-Coverity-Id: 1339552
Addresses-Coverity-Id: 1339553
Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
---

diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 119c242..bb3c659 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -1725,7 +1725,7 @@ xfs_bmap_add_extent_delay_real(
        int                     tmp_rval;       /* partial logging flags */
        struct xfs_mount        *mp;
 
-       mp  = bma->tp ? bma->tp->t_mountp : NULL;
+       mp = bma->ip->i_mount;
        ifp = XFS_IFORK_PTR(bma->ip, XFS_DATA_FORK);
 
        ASSERT(bma->idx >= 0);
@@ -2939,7 +2939,7 @@ xfs_bmap_add_extent_hole_real(
        int                     state;  /* state bits, accessed thru macros */
        struct xfs_mount        *mp;
 
-       mp = bma->tp ? bma->tp->t_mountp : NULL;
+       mp = bma->ip->i_mount;
        ifp = XFS_IFORK_PTR(bma->ip, whichfork);
 
        ASSERT(bma->idx >= 0);