[GIT PULL 09/18] lightnvm: pblk: check for chunk size before allocating it

From: Matias BjÃrling
Date: Fri Jun 01 2018 - 09:05:23 EST


From: Javier GonzÃlez <javier@xxxxxxxxxxx>

Do the check for the chunk state after making sure that the chunk type
is supported.

Fixes: 32ef9412c114 ("lightnvm: pblk: implement get log report chunk")
Signed-off-by: Javier GonzÃlez <javier@xxxxxxxxxxxx>
Signed-off-by: Matias BjÃrling <mb@xxxxxxxxxxx>
---
drivers/lightnvm/pblk-init.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c
index b52855f9336b..9e3a43346d4c 100644
--- a/drivers/lightnvm/pblk-init.c
+++ b/drivers/lightnvm/pblk-init.c
@@ -751,14 +751,14 @@ static int pblk_setup_line_meta_20(struct pblk *pblk, struct pblk_line *line,
chunk->cnlb = chunk_meta->cnlb;
chunk->wp = chunk_meta->wp;

- if (!(chunk->state & NVM_CHK_ST_OFFLINE))
- continue;
-
if (chunk->type & NVM_CHK_TP_SZ_SPEC) {
WARN_ONCE(1, "pblk: custom-sized chunks unsupported\n");
continue;
}

+ if (!(chunk->state & NVM_CHK_ST_OFFLINE))
+ continue;
+
set_bit(pos, line->blk_bitmap);
nr_bad_chks++;
}
--
2.11.0