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path: root/drivers/misc/pci_endpoint_test.c
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Diffstat (limited to 'drivers/misc/pci_endpoint_test.c')
-rw-r--r--drivers/misc/pci_endpoint_test.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/misc/pci_endpoint_test.c b/drivers/misc/pci_endpoint_test.c
index 4c0f37ad0281..8a7e860c0681 100644
--- a/drivers/misc/pci_endpoint_test.c
+++ b/drivers/misc/pci_endpoint_test.c
@@ -295,11 +295,13 @@ static int pci_endpoint_test_bar(struct pci_endpoint_test *test,
struct pci_dev *pdev = test->pdev;
int buf_size;
+ bar_size = pci_resource_len(pdev, barno);
+ if (!bar_size)
+ return -ENODATA;
+
if (!test->bar[barno])
return -ENOMEM;
- bar_size = pci_resource_len(pdev, barno);
-
if (barno == test->test_reg_bar)
bar_size = 0x4;