From: =?UTF-8?q?Javier=20Gonz=C3=A1lez?= <javier@javigon.com>
Date: Fri, 1 Jun 2018 15:04:23 +0200
Subject: [PATCH] lightnvm: pblk: check for chunk size before allocating it
Git-commit: 6f9c9607d445a05267eb4830e5375535f5a547a2
Patch-mainline: v4.18-rc1
References: bsc#1104967,FATE#325924
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
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 González <javier@cnexlabs.com>
Signed-off-by: Matias Bjørling <mb@lightnvm.io>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Hannes Reinecke <hare@suse.com>
---
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 1e1771864da0..81c103b341bd 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++;
}
--
2.12.3