linux-kernel - [PATCH] hwrng: cavium: fix NULL but dereferenced coccicheck error

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Message-Id: <20220225063901.893274-1-wanjiabing@vivo.com>
Date:   Fri, 25 Feb 2022 14:38:59 +0800
From:   Wan Jiabing <wanjiabing@...o.com>
To:     Matt Mackall <mpm@...enic.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Sunil Goutham <sgoutham@...vell.com>,
        Wan Jiabing <wanjiabing@...o.com>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     jiabing.wan@...com
Subject: [PATCH] hwrng: cavium: fix NULL but dereferenced coccicheck error

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>
---
 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;
 	}
 
-- 
2.35.1