From: Markus Elfring <[email protected]>
Date: Sat, 29 Nov 2014 17:40:22 +0100

The functions xfs_blkdev_put() and xfs_qm_dqrele() test whether their argument
is NULL and then return immediately.
Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <[email protected]>
---
 fs/xfs/xfs_qm.c    | 12 +++++-------
 fs/xfs/xfs_super.c |  3 +--
 2 files changed, 6 insertions(+), 9 deletions(-)

diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c
index d68f230..9a4b50a 100644
--- a/fs/xfs/xfs_qm.c
+++ b/fs/xfs/xfs_qm.c
@@ -1749,23 +1749,21 @@ xfs_qm_vop_dqalloc(
        xfs_iunlock(ip, lockflags);
        if (O_udqpp)
                *O_udqpp = uq;
-       else if (uq)
+       else
                xfs_qm_dqrele(uq);
        if (O_gdqpp)
                *O_gdqpp = gq;
-       else if (gq)
+       else
                xfs_qm_dqrele(gq);
        if (O_pdqpp)
                *O_pdqpp = pq;
-       else if (pq)
+       else
                xfs_qm_dqrele(pq);
        return 0;
 
 error_rele:
-       if (gq)
-               xfs_qm_dqrele(gq);
-       if (uq)
-               xfs_qm_dqrele(uq);
+       xfs_qm_dqrele(gq);
+       xfs_qm_dqrele(uq);
        return error;
 }
 
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 206b97f..97eaa25 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -796,8 +796,7 @@ xfs_open_devices(
  out_free_ddev_targ:
        xfs_free_buftarg(mp, mp->m_ddev_targp);
  out_close_rtdev:
-       if (rtdev)
-               xfs_blkdev_put(rtdev);
+       xfs_blkdev_put(rtdev);
  out_close_logdev:
        if (logdev && logdev != ddev)
                xfs_blkdev_put(logdev);
-- 
2.1.3

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