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lightnvm: pblk: check for chunk size before allocating it

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

Fixes: 32ef9412c1 ("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>
This commit is contained in:
Javier González
2018-06-01 15:04:23 +02:00
committed by Jens Axboe
parent 8e55c07b2b
commit 6f9c9607d4
1 changed files with 3 additions and 3 deletions
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drivers/lightnvm/pblk-init.c
+3 -3
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@@ -751,14 +751,14 @@ static int pblk_setup_line_meta_20(struct pblk *pblk, struct pblk_line *line,
chunk->cnlb = chunk_meta->cnlb; chunk->cnlb = chunk_meta->cnlb;
chunk->wp = chunk_meta->wp; chunk->wp = chunk_meta->wp;
if (!(chunk->state & NVM_CHK_ST_OFFLINE))
continue;
if (chunk->type & NVM_CHK_TP_SZ_SPEC) { if (chunk->type & NVM_CHK_TP_SZ_SPEC) {
WARN_ONCE(1, "pblk: custom-sized chunks unsupported\n"); WARN_ONCE(1, "pblk: custom-sized chunks unsupported\n");
continue; continue;
} }
if (!(chunk->state & NVM_CHK_ST_OFFLINE))
continue;
set_bit(pos, line->blk_bitmap); set_bit(pos, line->blk_bitmap);
nr_bad_chks++; nr_bad_chks++;
} }