[PATCH AUTOSEL 5.7 102/388] xfs: Add the missed xfs_perag_put() for xfs_ifree_cluster()

Sasha Levin
2020-06-18T02:47:22Z

From: Chuhong Yuan <hslester96@gmail.com>

[ Upstream commit 8cc0072469723459dc6bd7beff81b2b3149f4cf4 ]

xfs_ifree_cluster() calls xfs_perag_get() at the beginning, but forgets to
call xfs_perag_put() in one failed path.
Add the missed function call to fix it.

Fixes: ce92464c180b ("xfs: make xfs_trans_get_buf return an error code")
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
fs/xfs/xfs_inode.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index d1772786af29..8845faa8161a 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -2639,8 +2639,10 @@ xfs_ifree_cluster(
error = xfs_trans_get_buf(tp, mp->m_ddev_targp, blkno,
mp->m_bsize * igeo->blocks_per_cluster,
XBF_UNMAPPED, &bp);
- if (error)
+ if (error) {
+ xfs_perag_put(pag);
return error;
+ }

/*
* This buffer may not have been correctly initialised as we
--
2.25.1