[v1] hwrng: cavium: fix possible NULL pointer dereference

[PATCH] hwrng: cavium: fix possible NULL pointer dereference

Haowen Bai posted 1 patch 4 years, 3 months ago

Diff against v1
Download mbox

drivers/char/hw_random/cavium-rng-vf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

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[PATCH] hwrng: cavium: fix possible NULL pointer dereference

Posted by Haowen Bai 4 years, 3 months ago

pdev is NULL but dereference to pdev->dev

Signed-off-by: Haowen Bai <baihaowen@meizu.com>
---
 drivers/char/hw_random/cavium-rng-vf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/hw_random/cavium-rng-vf.c b/drivers/char/hw_random/cavium-rng-vf.c
index 6f66919..bffcb01 100644
--- a/drivers/char/hw_random/cavium-rng-vf.c
+++ b/drivers/char/hw_random/cavium-rng-vf.c
@@ -179,7 +179,7 @@ static int cavium_map_pf_regs(struct cavium_rng *rng)
 	pdev = pci_get_device(PCI_VENDOR_ID_CAVIUM,
 			      PCI_DEVID_CAVIUM_RNG_PF, NULL);
 	if (!pdev) {
-		dev_err(&pdev->dev, "Cannot find RNG PF device\n");
+		pr_err("Cannot find RNG PF device\n");
 		return -EIO;
 	}
 
-- 
2.7.4