linux-kernel - [PATCH] net: sun: fix missing release regions in cas_init

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Message-Id: <20200522215027.4217-1-wu000273@umn.edu>
Date:   Fri, 22 May 2020 16:50:27 -0500
From:   wu000273@....edu
To:     davem@...emloft.net
Cc:     kuba@...nel.org, hkallweit1@...il.com, jonathan.lemon@...il.com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org, kjlu@....edu,
        wu000273@....edu
Subject: [PATCH] net: sun: fix missing release regions in cas_init_one().

From: Qiushi Wu <wu000273@....edu>

In cas_init_one(), "pdev" is requested by "pci_request_regions", but it
was not released after a call of the function “pci_write_config_byte” 
failed. Thus replace the jump target “err_write_cacheline” by 
"err_out_free_res".

Fixes: 1f26dac32057 ("[NET]: Add Sun Cassini driver.")
Signed-off-by: Qiushi Wu <wu000273@....edu>
---
 drivers/net/ethernet/sun/cassini.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/sun/cassini.c b/drivers/net/ethernet/sun/cassini.c
index e6d1aa882fa5..f1c8615ab6f0 100644
--- a/drivers/net/ethernet/sun/cassini.c
+++ b/drivers/net/ethernet/sun/cassini.c
@@ -4963,7 +4963,7 @@ static int cas_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 					  cas_cacheline_size)) {
 			dev_err(&pdev->dev, "Could not set PCI cache "
 			       "line size\n");
-			goto err_write_cacheline;
+			goto err_out_free_res;
 		}
 	}
 #endif
@@ -5136,7 +5136,6 @@ static int cas_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 err_out_free_res:
 	pci_release_regions(pdev);
 
-err_write_cacheline:
 	/* Try to restore it in case the error occurred after we
 	 * set it.
 	 */
-- 
2.17.1