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| author | Ingo Molnar <mingo@kernel.org> | 2014-01-13 14:44:41 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2014-01-13 14:44:41 +0400 |
| commit | 1c62448e39285b23b4770aaf46d32368fff990df (patch) | |
| tree | c6c6cf1a80a762a5859bfdaf3941294a47ea8eee /drivers/dma/ioat/dma.c | |
| parent | 47933ad41a86a4a9b50bed7c9b9bd2ba242aac63 (diff) | |
| parent | 7e22e91102c6b9df7c4ae2168910e19d2bb14cd6 (diff) | |
| download | linux-1c62448e39285b23b4770aaf46d32368fff990df.tar.xz | |
Merge tag 'v3.13-rc8' into core/locking
Refresh the tree with the latest fixes, before applying new changes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/dma/ioat/dma.c')
| -rw-r--r-- | drivers/dma/ioat/dma.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c index 1a49c777607c..87529181efcc 100644 --- a/drivers/dma/ioat/dma.c +++ b/drivers/dma/ioat/dma.c @@ -817,7 +817,15 @@ int ioat_dma_self_test(struct ioatdma_device *device) } dma_src = dma_map_single(dev, src, IOAT_TEST_SIZE, DMA_TO_DEVICE); + if (dma_mapping_error(dev, dma_src)) { + dev_err(dev, "mapping src buffer failed\n"); + goto free_resources; + } dma_dest = dma_map_single(dev, dest, IOAT_TEST_SIZE, DMA_FROM_DEVICE); + if (dma_mapping_error(dev, dma_dest)) { + dev_err(dev, "mapping dest buffer failed\n"); + goto unmap_src; + } flags = DMA_PREP_INTERRUPT; tx = device->common.device_prep_dma_memcpy(dma_chan, dma_dest, dma_src, IOAT_TEST_SIZE, flags); @@ -855,8 +863,9 @@ int ioat_dma_self_test(struct ioatdma_device *device) } unmap_dma: - dma_unmap_single(dev, dma_src, IOAT_TEST_SIZE, DMA_TO_DEVICE); dma_unmap_single(dev, dma_dest, IOAT_TEST_SIZE, DMA_FROM_DEVICE); +unmap_src: + dma_unmap_single(dev, dma_src, IOAT_TEST_SIZE, DMA_TO_DEVICE); free_resources: dma->device_free_chan_resources(dma_chan); out: |