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authorPan Bian <bianpan2016@163.com>2021-01-20 23:22:02 -0800
committerJens Axboe <axboe@kernel.dk>2021-01-21 05:45:51 -0700
commit97784481757fba7570121a70dd37ca74a29f50a8 (patch)
treeccee7ca08a90a00af966d2a6a87d862b2dd32519
parent1df35bf0b4e17322ec67e88b86ba21a17f904069 (diff)
lightnvm: fix memory leak when submit fails
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 <bianpan2016@163.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r--drivers/lightnvm/core.c3
1 files changed, 1 insertions, 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;
}