[PATCH 4.19 185/220] lightnvm: pblk: fix error handling of pblk_lines_init()

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From: Wei Yongjun <weiyongjun1@xxxxxxxxxx>

[ Upstream commit a70985f83c625a5eaf618be81621e5e4521a66c6 ]

In the too many bad blocks error handling case, we should release all
the allocated resources, otherwise it will cause memory leak.

Fixes: 2deeefc02dff ("lightnvm: pblk: fail gracefully on line alloc. failure")
Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
Reviewed-by: Hans Holmberg <hans.holmberg@xxxxxxxxxxxx>
Signed-off-by: Matias Bjørling <mb@xxxxxxxxxxx>
Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/lightnvm/pblk-init.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c
index dc32274881b2f..91fd2b291db91 100644
--- a/drivers/lightnvm/pblk-init.c
+++ b/drivers/lightnvm/pblk-init.c
@@ -1084,7 +1084,8 @@ static int pblk_lines_init(struct pblk *pblk)
 
 	if (!nr_free_chks) {
 		pblk_err(pblk, "too many bad blocks prevent for sane instance\n");
-		return -EINTR;
+		ret = -EINTR;
+		goto fail_free_lines;
 	}
 
 	pblk_set_provision(pblk, nr_free_chks);
-- 
2.20.1






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