[PATCH 5.17 0856/1126] hwrng: cavium - fix NULL but dereferenced coccicheck error

From: Greg Kroah-Hartman
Date: Tue Apr 05 2022 - 05:23:35 EST


From: Wan Jiabing <wanjiabing@xxxxxxxx>

[ Upstream commit e6205ad58a7ac194abfb33897585b38687d797fa ]

Fix following coccicheck warning:
./drivers/char/hw_random/cavium-rng-vf.c:182:17-20: ERROR:
pdev is NULL but dereferenced.

Signed-off-by: Wan Jiabing <wanjiabing@xxxxxxxx>
Reviewed-by: Sunil Goutham <sgoutham@xxxxxxxxxxx>
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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 6f66919652bf..7c55f4cf4a8b 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;
}

--
2.34.1