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xfs: check _btree_check_block value

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commit 1e86eabe73b73c82e1110c746ed3ec6d5e1c0a0d upstream.

Check the _btree_check_block return value for the firstrec and lastrec
functions, since we have the ability to signal that the repositioning
did not succeed.

Fixes-coverity-id: 114067
Fixes-coverity-id: 114068
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Darrick J. Wong 2017-09-17 14:06:36 -07:00 committed by Greg Kroah-Hartman
parent e76496fa85
commit a6247b0189
1 changed files with 4 additions and 2 deletions
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6
fs/xfs/libxfs/xfs_btree.c
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@ -714,7 +714,8 @@ xfs_btree_firstrec(
* Get the block pointer for this level.
*/
block = xfs_btree_get_block(cur, level, &bp);
xfs_btree_check_block(cur, block, level, bp);
if (xfs_btree_check_block(cur, block, level, bp))
return 0;
/*
* It's empty, there is no such record.
*/
@ -743,7 +744,8 @@ xfs_btree_lastrec(
* Get the block pointer for this level.
*/
block = xfs_btree_get_block(cur, level, &bp);
xfs_btree_check_block(cur, block, level, bp);
if (xfs_btree_check_block(cur, block, level, bp))
return 0;
/*
* It's empty, there is no such record.
*/