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authorDave Jiang <dave.jiang@intel.com>2017-01-30 14:21:17 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-02-23 17:44:36 +0100
commitf4202601509465c3d2e96b6bfd4a1237ac4268d1 (patch)
tree423c9157672cbfe269281c069713c9f54a1b2016 /drivers/ntb
parent43325382fc7a216f2087d7dfdc662e30e952adf1 (diff)
ntb: ntb_perf missing dmaengine_unmap_put
commit 9644347c5240d0ee3ba7472ef332aaa4ff4db398 upstream. In the normal I/O execution path, ntb_perf is missing a call to dmaengine_unmap_put() after submission. That causes us to leak unmap objects. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Fixes: 8a7b6a77 ("ntb: ntb perf tool") Signed-off-by: Jon Mason <jdmason@kudzu.us> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/ntb')
-rw-r--r--drivers/ntb/test/ntb_perf.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/ntb/test/ntb_perf.c b/drivers/ntb/test/ntb_perf.c
index e75d4fdc0866..434e1d474f33 100644
--- a/drivers/ntb/test/ntb_perf.c
+++ b/drivers/ntb/test/ntb_perf.c
@@ -265,6 +265,8 @@ static ssize_t perf_copy(struct pthr_ctx *pctx, char __iomem *dst,
if (dma_submit_error(cookie))
goto err_set_unmap;
+ dmaengine_unmap_put(unmap);
+
atomic_inc(&pctx->dma_sync);
dma_async_issue_pending(chan);