[PATCH] lightnvm: fix memory leak when submit fails

[Pan Bian]

The allocated page is not released if error occurs in
nvm_submit_io_sync_raw(). __free_page() is moved ealier to avoid
possible memory leak issue.

Fixes: aff3fb18f957 ("lightnvm: move bad block and chunk state logic to core")
Signed-off-by: Pan Bian <bianpan2...@163.com>
---
 drivers/lightnvm/core.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index c1bcac71008c..28ddcaa5358b 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -844,11 +844,10 @@ static int nvm_bb_chunk_sense(struct nvm_dev *dev, struct 
ppa_addr ppa)
        rqd.ppa_addr = generic_to_dev_addr(dev, ppa);
 
        ret = nvm_submit_io_sync_raw(dev, &rqd);
+       __free_page(page);
        if (ret)
                return ret;
 
-       __free_page(page);
-
        return rqd.error;
 }
 
-- 
2.17.1