On 12/21/2015 08:32 AM, Wenwei Tao wrote:
after io submission failed, before free rq, delete rq from
rrpc's inflight list, leave no bad item in the list. And
free rq's ppa_list to avoid memory leak.
Signed-off-by: Wenwei Tao <ww.tao0320@xxxxxxxxx>
---
drivers/lightnvm/rrpc.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c
index a1e7488..c0886a8 100644
--- a/drivers/lightnvm/rrpc.c
+++ b/drivers/lightnvm/rrpc.c
@@ -843,6 +843,12 @@ static int rrpc_submit_io(struct rrpc *rrpc, struct bio *bio,
if (err) {
pr_err("rrpc: I/O submission failed: %d\n", err);
bio_put(bio);
+ if (!(flags & NVM_IOTYPE_GC)) {
+ rrpc_unlock_rq(rrpc, rqd);
+ if (rqd->nr_pages > 1)
+ nvm_dev_dma_free(rrpc->dev,
+ rqd->ppa_list, rqd->dma_ppa_list);
+ }
return NVM_IO_ERR;
}
I can't seem to find the bug. nvm_dev_dma_free is called when
rrpc_write_ppalist_rq and rrpc_read_ppalist_rq fails. Where is it missing?
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