Messages in this thread Patch in this message | | | From | Matias Bjørling <> | Subject | [GIT PULL 38/58] lightnvm: pblk: ensure right bad block calculation | Date | Fri, 13 Oct 2017 14:46:27 +0200 |
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From: Javier González <javier@cnexlabs.com>
Make sure that the variable controlling block threshold for allocating extra metadata sectors in case of a line with bad blocks does not get a negative value. Otherwise, the line will be marked as corrupted and wasted.
Signed-off-by: Javier González <javier@cnexlabs.com> Signed-off-by: Matias Bjørling <m@bjorling.me> --- drivers/lightnvm/pblk-init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c index 3c37491..c7239c4 100644 --- a/drivers/lightnvm/pblk-init.c +++ b/drivers/lightnvm/pblk-init.c @@ -710,7 +710,7 @@ static int pblk_lines_init(struct pblk *pblk) goto add_emeta_page; } - lm->emeta_bb = geo->nr_luns - i; + lm->emeta_bb = geo->nr_luns > i ? geo->nr_luns - i : 0; lm->min_blk_line = 1; if (geo->nr_luns > 1) -- 2.9.3
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