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| author | Justin Maggard <jmaggard10@gmail.com> | 2016-10-04 13:17:58 -0700 |
|---|---|---|
| committer | Ben Hutchings <ben@decadent.org.uk> | 2017-02-23 03:54:09 +0000 |
| commit | c3fa800fe93510717471914ecc499269c89746f8 (patch) | |
| tree | 0c8da7751ec13734c1ea306803b410ffae9c3c1a /crypto | |
| parent | 315d5cc06a0d6b4eb1900e94e3bee45c42124d3c (diff) | |
| download | linux-stable-c3fa800fe93510717471914ecc499269c89746f8.tar.gz linux-stable-c3fa800fe93510717471914ecc499269c89746f8.tar.bz2 linux-stable-c3fa800fe93510717471914ecc499269c89746f8.zip | |
async_pq_val: fix DMA memory leak
commit c84750906b4818d4929fbf73a4ae6c113b94f52b upstream.
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@netgear.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/async_tx/async_pq.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/crypto/async_tx/async_pq.c b/crypto/async_tx/async_pq.c index 7eb264e65267..1ce03d38c817 100644 --- a/crypto/async_tx/async_pq.c +++ b/crypto/async_tx/async_pq.c @@ -355,8 +355,6 @@ 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); @@ -411,9 +409,11 @@ 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); |