linux-kernel - [PATCH AUTOSEL 5.17 28/43] hwrng: cavium - fix NULL but dereferenced coccicheck error

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Message-Id: <20220328111828.1554086-28-sashal@kernel.org>
Date:   Mon, 28 Mar 2022 07:18:12 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Wan Jiabing <wanjiabing@...o.com>,
        Sunil Goutham <sgoutham@...vell.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Sasha Levin <sashal@...nel.org>, mpm@...enic.com,
        linux-crypto@...r.kernel.org
Subject: [PATCH AUTOSEL 5.17 28/43] hwrng: cavium - fix NULL but dereferenced coccicheck error

From: Wan Jiabing <wanjiabing@...o.com>

[ 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@...o.com>
Reviewed-by: Sunil Goutham <sgoutham@...vell.com>
Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 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