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authorJean Sacren <sakiwit@gmail.com>2014-03-25 04:30:27 +0000
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2014-03-31 15:48:02 -0700
commite3e3bfdd1d2ad4ac2020e681f3cb1e172f343810 (patch)
treeb30bc5d138d2aa618828bb67e208335cf1c3e6d4 /drivers/net/ethernet/intel/i40evf/i40evf_main.c
parenti40e: fix function kernel doc description (diff)
downloadlinux-dev-e3e3bfdd1d2ad4ac2020e681f3cb1e172f343810.tar.xz
linux-dev-e3e3bfdd1d2ad4ac2020e681f3cb1e172f343810.zip
i40e/i40evf: fix error checking path
The commit 6494294f277fd ("i40e/i40evf: Use dma_set_mask_and_coherent") uses dma_set_mask_and_coherent() to replace dma_set_coherent_mask() for the benefit of return error. The conversion brings some confusion in error checking as whether against DMA_BIT_MASK(64) or DMA_BIT_MASK(32). For one, if error is zero, the check will be against DMA_BIT_MASK(64) twice. Fix this error checking by binding the check to the pertinent one. Cc: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Jean Sacren <sakiwit@gmail.com> Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to '')
-rw-r--r--drivers/net/ethernet/intel/i40evf/i40evf_main.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
index 51c84c19d2be..e35e66ffa782 100644
--- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c
+++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c
@@ -2191,12 +2191,13 @@ static int i40evf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
return err;
err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
- if (err)
- err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
if (err) {
- dev_err(&pdev->dev,
- "DMA configuration failed: 0x%x\n", err);
- goto err_dma;
+ err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
+ if (err) {
+ dev_err(&pdev->dev,
+ "DMA configuration failed: 0x%x\n", err);
+ goto err_dma;
+ }
}
err = pci_request_regions(pdev, i40evf_driver_name);