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xfs: remove unnecessary null checks 

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 <elfring@users.sourceforge.net>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Markus Elfring 2014-12-01 08:24:20 +11:00 committed by Dave Chinner
parent cac7f24298
commit d2a5e3c6fc
2 changed files with 6 additions and 9 deletions
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12
fs/xfs/xfs_qm.c
View File

@ -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;
}

3
fs/xfs/xfs_super.c
View File

@ -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);