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xfs: fix error gotos in xfs_setattr_nonsize 

As the code stands today, if xfs_trans_reserve() fails, we
goto out_dqrele, which does not free the allocated transaction.

Fix up the goto targets to undo everything properly.

Addresses-Coverity-Id: 145571
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Eric Sandeen 2015-08-28 14:51:10 +10:00 committed by Dave Chinner
parent 8774cf8bac
commit 1a7ccad88d
1 changed files with 4 additions and 4 deletions
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8
fs/xfs/xfs_iops.c
View File

@ -609,7 +609,7 @@ xfs_setattr_nonsize(
tp = xfs_trans_alloc(mp, XFS_TRANS_SETATTR_NOT_SIZE);
error = xfs_trans_reserve(tp, &M_RES(mp)->tr_ichange, 0, 0);
if (error)
goto out_dqrele;
goto out_trans_cancel;
xfs_ilock(ip, XFS_ILOCK_EXCL);
@ -640,7 +640,7 @@ xfs_setattr_nonsize(
NULL, capable(CAP_FOWNER) ?
XFS_QMOPT_FORCE_RES : 0);
if (error) /* out of quota */
goto out_trans_cancel;
goto out_unlock;
}
}
@ -729,10 +729,10 @@ xfs_setattr_nonsize(
return 0;
out_unlock:
xfs_iunlock(ip, XFS_ILOCK_EXCL);
out_trans_cancel:
xfs_trans_cancel(tp);
xfs_iunlock(ip, XFS_ILOCK_EXCL);
out_dqrele:
xfs_qm_dqrele(udqp);
xfs_qm_dqrele(gdqp);
return error;