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Code Issues Releases Wiki Activity

xfs: remove unneeded return value check for *init_cursor()

Browse source 
Since *init_cursor() can always return a valid cursor, the NULL check
in caller is unneeded. So clean them up.
This also keeps the behavior consistent with other callers.

Signed-off-by: Joseph Qi <joseph.qi@linux.alibaba.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Joseph Qi 2020-12-04 13:38:42 -08:00 committed by Darrick J. Wong
parent 7bc1fea9d3
commit 2e984badbc
7 changed files with 0 additions and 46 deletions
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2
fs/xfs/libxfs/xfs_bmap_btree.c
View file

@ -639,8 +639,6 @@ xfs_bmbt_change_owner(
ASSERT(XFS_IFORK_PTR(ip, whichfork)->if_format == XFS_DINODE_FMT_BTREE);
cur = xfs_bmbt_init_cursor(ip->i_mount, tp, ip, whichfork);
if (!cur)
return -ENOMEM;
cur->bc_ino.flags |= XFS_BTCUR_BMBT_INVALID_OWNER;
error = xfs_btree_change_owner(cur, new_owner, buffer_list);

5
fs/xfs/libxfs/xfs_ialloc_btree.c
View file

@ -672,11 +672,6 @@ xfs_inobt_cur(
return error;
cur = xfs_inobt_init_cursor(mp, tp, *agi_bpp, agno, which);
if (!cur) {
xfs_trans_brelse(tp, *agi_bpp);
*agi_bpp = NULL;
return -ENOMEM;
}
*curpp = cur;
return 0;
}

9
fs/xfs/libxfs/xfs_refcount.c
View file

@ -1179,10 +1179,6 @@ xfs_refcount_finish_one(
return error;
rcur = xfs_refcountbt_init_cursor(mp, tp, agbp, agno);
if (!rcur) {
error = -ENOMEM;
goto out_cur;
}
rcur->bc_ag.refc.nr_ops = nr_ops;
rcur->bc_ag.refc.shape_changes = shape_changes;
}
@ -1217,11 +1213,6 @@ xfs_refcount_finish_one(
trace_xfs_refcount_finish_one_leftover(mp, agno, type,
bno, blockcount, new_agbno, *new_len);
return error;
out_cur:
xfs_trans_brelse(tp, agbp);
return error;
}
/*

9
fs/xfs/libxfs/xfs_rmap.c
View file

@ -2404,10 +2404,6 @@ xfs_rmap_finish_one(
return -EFSCORRUPTED;
rcur = xfs_rmapbt_init_cursor(mp, tp, agbp, agno);
if (!rcur) {
error = -ENOMEM;
goto out_cur;
}
}
*pcur = rcur;
@ -2446,11 +2442,6 @@ xfs_rmap_finish_one(
error = -EFSCORRUPTED;
}
return error;
out_cur:
xfs_trans_brelse(tp, agbp);
return error;
}
/*

2
fs/xfs/scrub/agheader_repair.c
View file

@ -829,8 +829,6 @@ xrep_agi_calc_from_btrees(
cur = xfs_inobt_init_cursor(mp, sc->tp, agi_bp, sc->sa.agno,
XFS_BTNUM_FINO);
if (error)
goto err;
error = xfs_btree_count_blocks(cur, &blocks);
if (error)
goto err;

5
fs/xfs/scrub/bmap.c
View file

@ -558,10 +558,6 @@ xchk_bmap_check_ag_rmaps(
return error;
cur = xfs_rmapbt_init_cursor(sc->mp, sc->tp, agf, agno);
if (!cur) {
error = -ENOMEM;
goto out_agf;
}
sbcri.sc = sc;
sbcri.whichfork = whichfork;
@ -570,7 +566,6 @@ xchk_bmap_check_ag_rmaps(
error = 0;
xfs_btree_del_cursor(cur, error);
out_agf:
xfs_trans_brelse(sc->tp, agf);
return error;
}

14
fs/xfs/scrub/common.c
View file

@ -466,8 +466,6 @@ xchk_ag_btcur_init(
/* Set up a bnobt cursor for cross-referencing. */
sa->bno_cur = xfs_allocbt_init_cursor(mp, sc->tp, sa->agf_bp,
agno, XFS_BTNUM_BNO);
if (!sa->bno_cur)
goto err;
}
if (sa->agf_bp &&
@ -475,8 +473,6 @@ xchk_ag_btcur_init(
/* Set up a cntbt cursor for cross-referencing. */
sa->cnt_cur = xfs_allocbt_init_cursor(mp, sc->tp, sa->agf_bp,
agno, XFS_BTNUM_CNT);
if (!sa->cnt_cur)
goto err;
}
/* Set up a inobt cursor for cross-referencing. */
@ -484,8 +480,6 @@ xchk_ag_btcur_init(
xchk_ag_btree_healthy_enough(sc, sa->pag, XFS_BTNUM_INO)) {
sa->ino_cur = xfs_inobt_init_cursor(mp, sc->tp, sa->agi_bp,
agno, XFS_BTNUM_INO);
if (!sa->ino_cur)
goto err;
}
/* Set up a finobt cursor for cross-referencing. */
@ -493,8 +487,6 @@ xchk_ag_btcur_init(
xchk_ag_btree_healthy_enough(sc, sa->pag, XFS_BTNUM_FINO)) {
sa->fino_cur = xfs_inobt_init_cursor(mp, sc->tp, sa->agi_bp,
agno, XFS_BTNUM_FINO);
if (!sa->fino_cur)
goto err;
}
/* Set up a rmapbt cursor for cross-referencing. */
@ -502,8 +494,6 @@ xchk_ag_btcur_init(
xchk_ag_btree_healthy_enough(sc, sa->pag, XFS_BTNUM_RMAP)) {
sa->rmap_cur = xfs_rmapbt_init_cursor(mp, sc->tp, sa->agf_bp,
agno);
if (!sa->rmap_cur)
goto err;
}
/* Set up a refcountbt cursor for cross-referencing. */
@ -511,13 +501,9 @@ xchk_ag_btcur_init(
xchk_ag_btree_healthy_enough(sc, sa->pag, XFS_BTNUM_REFC)) {
sa->refc_cur = xfs_refcountbt_init_cursor(mp, sc->tp,
sa->agf_bp, agno);
if (!sa->refc_cur)
goto err;
}
return 0;
err:
return -ENOMEM;
}
/* Release the AG header context and btree cursors. */