Add missing dmaengine_unmap_put(), so we don't OOM during RAID6 sync.
Fixes: 1786b943dad0 ("async_pq_val: convert to dmaengine_unmap_data")
Signed-off-by: Justin Maggard <jmaggard@xxxxxxxxxxx>
---
crypto/async_tx/async_pq.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/crypto/async_tx/async_pq.c b/crypto/async_tx/async_pq.c
index 08b3ac6..f83de99 100644
--- a/crypto/async_tx/async_pq.c
+++ b/crypto/async_tx/async_pq.c
@@ -368,8 +368,6 @@ async_syndrome_val(struct page **blocks, unsigned int offset, int disks,
dma_set_unmap(tx, unmap);
async_tx_submit(chan, tx, submit);
-
- return tx;
} else {
struct page *p_src = P(blocks, disks);
struct page *q_src = Q(blocks, disks);
@@ -424,9 +422,11 @@ async_syndrome_val(struct page **blocks, unsigned int offset, int disks,
submit->cb_param = cb_param_orig;
submit->flags = flags_orig;
async_tx_sync_epilog(submit);
-
- return NULL;
+ tx = NULL;
}
+ dmaengine_unmap_put(unmap);
+
+ return tx;
}
EXPORT_SYMBOL_GPL(async_syndrome_val);
--
2.10.1
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