linux-kernel - [PATCH 1/3] can: sja1000_isa: add missing free_sja1000dev() in sja1000_isa

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Date:   Fri, 11 Nov 2022 20:08:41 +0800
From:   Zhang Changzhong <zhangchangzhong@...wei.com>
To:     Wolfgang Grandegger <wg@...ndegger.com>,
        Marc Kleine-Budde <mkl@...gutronix.de>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>
CC:     Zhang Changzhong <zhangchangzhong@...wei.com>,
        <linux-can@...r.kernel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/3] can: sja1000_isa: add missing free_sja1000dev() in sja1000_isa_probe()

Add the missing free_sja1000dev() before return from sja1000_isa_probe()
in the register_sja1000dev() error handling case.

In addition, remove blanks before goto labels.

Fixes: 2a6ba39ad6a2 ("can: sja1000: legacy SJA1000 ISA bus driver")
Signed-off-by: Zhang Changzhong <zhangchangzhong@...wei.com>
---
 drivers/net/can/sja1000/sja1000_isa.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/net/can/sja1000/sja1000_isa.c b/drivers/net/can/sja1000/sja1000_isa.c
index d513fac..db3e767 100644
--- a/drivers/net/can/sja1000/sja1000_isa.c
+++ b/drivers/net/can/sja1000/sja1000_isa.c
@@ -202,22 +202,24 @@ static int sja1000_isa_probe(struct platform_device *pdev)
 	if (err) {
 		dev_err(&pdev->dev, "registering %s failed (err=%d)\n",
 			DRV_NAME, err);
-		goto exit_unmap;
+		goto exit_free;
 	}
 
 	dev_info(&pdev->dev, "%s device registered (reg_base=0x%p, irq=%d)\n",
 		 DRV_NAME, priv->reg_base, dev->irq);
 	return 0;
 
- exit_unmap:
+exit_free:
+	free_sja1000dev(dev);
+exit_unmap:
 	if (mem[idx])
 		iounmap(base);
- exit_release:
+exit_release:
 	if (mem[idx])
 		release_mem_region(mem[idx], iosize);
 	else
 		release_region(port[idx], iosize);
- exit:
+exit:
 	return err;
 }
 
-- 
2.9.5