diff options
| -rw-r--r-- | drivers/lightnvm/pblk-init.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c index 94653b1f1300..3996e4b8fb0e 100644 --- a/drivers/lightnvm/pblk-init.c +++ b/drivers/lightnvm/pblk-init.c @@ -543,7 +543,7 @@ static int pblk_lines_init(struct pblk *pblk) long nr_bad_blks, nr_meta_blks, nr_free_blks; int bb_distance; int i; - int ret = 0; + int ret; lm->sec_per_line = geo->sec_per_blk * geo->nr_luns; lm->blk_per_line = geo->nr_luns; @@ -638,12 +638,16 @@ add_emeta_page: } l_mg->bb_template = kzalloc(lm->sec_bitmap_len, GFP_KERNEL); - if (!l_mg->bb_template) + if (!l_mg->bb_template) { + ret = -ENOMEM; goto fail_free_meta; + } l_mg->bb_aux = kzalloc(lm->sec_bitmap_len, GFP_KERNEL); - if (!l_mg->bb_aux) + if (!l_mg->bb_aux) { + ret = -ENOMEM; goto fail_free_bb_template; + } bb_distance = (geo->nr_luns) * geo->sec_per_pl; for (i = 0; i < lm->sec_per_line; i += bb_distance) @@ -667,8 +671,10 @@ add_emeta_page: pblk->lines = kcalloc(l_mg->nr_lines, sizeof(struct pblk_line), GFP_KERNEL); - if (!pblk->lines) + if (!pblk->lines) { + ret = -ENOMEM; goto fail_free_bb_aux; + } nr_free_blks = 0; for (i = 0; i < l_mg->nr_lines; i++) { @@ -682,8 +688,10 @@ add_emeta_page: spin_lock_init(&line->lock); nr_bad_blks = pblk_bb_line(pblk, line); - if (nr_bad_blks < 0 || nr_bad_blks > lm->blk_per_line) + if (nr_bad_blks < 0 || nr_bad_blks > lm->blk_per_line) { + ret = -EINVAL; goto fail_free_lines; + } line->blk_in_line = lm->blk_per_line - nr_bad_blks; if (line->blk_in_line < lm->min_blk_line) { @@ -733,7 +741,7 @@ static int pblk_writer_init(struct pblk *pblk) pblk->writer_ts = kthread_create(pblk_write_ts, pblk, "pblk-writer-t"); if (IS_ERR(pblk->writer_ts)) { pr_err("pblk: could not allocate writer kthread\n"); - return 1; + return PTR_ERR(pblk->writer_ts); } return 0; |