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| author | Sujoy Ray <sujoy.ray@intel.com> | 2022-05-04 21:01:19 +0300 |
|---|---|---|
| committer | Sujoy Ray <sujoy.ray@intel.com> | 2022-05-12 17:46:40 +0300 |
| commit | efe6d9649b1d6b85b50cef64745df2e6749a8a45 (patch) | |
| tree | e9aca55fa1fa29fea638ee52832fa9691fdd6f02 /drivers/pci/endpoint/functions | |
| parent | ab95859fee776e58934d2b0cc1f4e93810e66508 (diff) | |
| parent | 49caedb668e476c100d727f2174724e0610a2b92 (diff) | |
| download | linux-efe6d9649b1d6b85b50cef64745df2e6749a8a45.tar.xz | |
Merge commit '49caedb668e476c100d727f2174724e0610a2b92' of https://github.com/openbmc/linux into openbmc/dev-5.15-intel-bump_v5.15.36
Signed-off-by: Sujoy Ray <sujoy.ray@intel.com>
Diffstat (limited to 'drivers/pci/endpoint/functions')
| -rw-r--r-- | drivers/pci/endpoint/functions/pci-epf-test.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c index 90d84d3bc868..5b833f00e980 100644 --- a/drivers/pci/endpoint/functions/pci-epf-test.c +++ b/drivers/pci/endpoint/functions/pci-epf-test.c @@ -285,7 +285,17 @@ static int pci_epf_test_copy(struct pci_epf_test *epf_test) if (ret) dev_err(dev, "Data transfer failed\n"); } else { - memcpy(dst_addr, src_addr, reg->size); + void *buf; + + buf = kzalloc(reg->size, GFP_KERNEL); + if (!buf) { + ret = -ENOMEM; + goto err_map_addr; + } + + memcpy_fromio(buf, src_addr, reg->size); + memcpy_toio(dst_addr, buf, reg->size); + kfree(buf); } ktime_get_ts64(&end); pci_epf_test_print_rate("COPY", reg->size, &start, &end, use_dma); @@ -441,7 +451,7 @@ static int pci_epf_test_write(struct pci_epf_test *epf_test) if (!epf_test->dma_supported) { dev_err(dev, "Cannot transfer data using DMA\n"); ret = -EINVAL; - goto err_map_addr; + goto err_dma_map; } src_phys_addr = dma_map_single(dma_dev, buf, reg->size, |