[PATCH 5.4 12/17] xfs: fix some memory leaks in log recovery

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From: "Darrick J. Wong" <darrick.wong@xxxxxxxxxx>

commit 050552cbe06a3a9c3f977dcf11ff998ae1d5c2d5 upstream.

Fix a few places where we xlog_alloc_buffer a buffer, hit an error, and
then bail out without freeing the buffer.

Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
Acked-by: Darrick J. Wong <djwong@xxxxxxxxxx>
Signed-off-by: Chandan Babu R <chandan.babu@xxxxxxxxxx>
---
 fs/xfs/xfs_log_recover.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 02f2147952b3..248101876e1e 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -1347,10 +1347,11 @@ xlog_find_tail(
 	error = xlog_rseek_logrec_hdr(log, *head_blk, *head_blk, 1, buffer,
 				      &rhead_blk, &rhead, &wrapped);
 	if (error < 0)
-		return error;
+		goto done;
 	if (!error) {
 		xfs_warn(log->l_mp, "%s: couldn't find sync record", __func__);
-		return -EFSCORRUPTED;
+		error = -EFSCORRUPTED;
+		goto done;
 	}
 	*tail_blk = BLOCK_LSN(be64_to_cpu(rhead->h_tail_lsn));
 
@@ -5318,7 +5319,8 @@ xlog_do_recovery_pass(
 			} else {
 				XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW,
 						log->l_mp);
-				return -EFSCORRUPTED;
+				error = -EFSCORRUPTED;
+				goto bread_err1;
 			}
 		}
 
-- 
2.35.1




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