When error occurs during bio_add_page on partial read path, pblk tries to
free pages twice. This patch fixes that issue.
Signed-off-by: Igor Konopko <igor.j.konopko@xxxxxxxxx>
Signed-off-by: Marcin Dziegielewski <marcin.dziegielewski@xxxxxxxxx>
---
drivers/lightnvm/pblk-read.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/lightnvm/pblk-read.c b/drivers/lightnvm/pblk-read.c
index a2e678de428f..fa7b60f852d9 100644
--- a/drivers/lightnvm/pblk-read.c
+++ b/drivers/lightnvm/pblk-read.c
@@ -256,7 +256,7 @@ static int pblk_partial_read_bio(struct pblk *pblk, struct nvm_rq *rqd,
new_bio = bio_alloc(GFP_KERNEL, nr_holes);
if (pblk_bio_add_pages(pblk, new_bio, GFP_KERNEL, nr_holes))
- goto err;
+ goto err_add_pages;
if (nr_holes != new_bio->bi_vcnt) {
pr_err("pblk: malformed bio\n");
@@ -347,10 +347,10 @@ static int pblk_partial_read_bio(struct pblk *pblk, struct nvm_rq *rqd,
return NVM_IO_OK;
err:
- pr_err("pblk: failed to perform partial read\n");
-
/* Free allocated pages in new bio */
- pblk_bio_free_pages(pblk, bio, 0, new_bio->bi_vcnt);
+ pblk_bio_free_pages(pblk, new_bio, 0, new_bio->bi_vcnt);
+err_add_pages:
+ pr_err("pblk: failed to perform partial read\n");
__pblk_end_io_read(pblk, rqd, false);
return NVM_IO_ERR;
}
--
2.14.3
