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Subject[PATCH] hwrng: cavium: fix possible NULL pointer dereference
Date
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");
+ printk(KERN_ERR "Cannot find RNG PF device\n");
return -EIO;
}

--
2.7.4
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