linux-kernel - [PATCH v2 05/24] EDAC, mc: Fix and improve sysfs init functions

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Date:   Mon, 24 Jun 2019 15:09:02 +0000
From:   Robert Richter <rrichter@...vell.com>
To:     Borislav Petkov <bp@...en8.de>, James Morse <james.morse@....com>,
        "Mauro Carvalho Chehab" <mchehab@...nel.org>
CC:     "linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Robert Richter <rrichter@...vell.com>
Subject: [PATCH v2 05/24] EDAC, mc: Fix and improve sysfs init functions

Remove gotos as they just create overhead. Also, fix debug message for
the case edac_create_dimm_object() is failing.

Signed-off-by: Robert Richter <rrichter@...vell.com>
---
 drivers/edac/edac_mc_sysfs.c | 25 +++++++++----------------
 1 file changed, 9 insertions(+), 16 deletions(-)

diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c
index 7c01e1cc030c..29dd9719f82f 100644
--- a/drivers/edac/edac_mc_sysfs.c
+++ b/drivers/edac/edac_mc_sysfs.c
@@ -655,8 +655,9 @@ static int edac_create_dimm_object(struct mem_ctl_info *mci,
 	err = device_add(&dimm->dev);
 	if (err)
 		put_device(&dimm->dev);
-
-	edac_dbg(0, "created rank/dimm device %s\n", dev_name(&dimm->dev));
+	else
+		edac_dbg(0, "created rank/dimm device %s\n",
+			dev_name(&dimm->dev));
 
 	return err;
 }
@@ -938,7 +939,7 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci,
 	if (err < 0) {
 		edac_dbg(1, "failure: create device %s\n", dev_name(&mci->dev));
 		put_device(&mci->dev);
-		goto out;
+		return err;
 	}
 
 	/*
@@ -987,7 +988,6 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci,
 	}
 	device_unregister(&mci->dev);
 
-out:
 	return err;
 }
 
@@ -1044,10 +1044,8 @@ int __init edac_mc_sysfs_init(void)
 	int err;
 
 	mci_pdev = kzalloc(sizeof(*mci_pdev), GFP_KERNEL);
-	if (!mci_pdev) {
-		err = -ENOMEM;
-		goto out;
-	}
+	if (!mci_pdev)
+		return -ENOMEM;
 
 	mci_pdev->bus = edac_get_sysfs_subsys();
 	mci_pdev->type = &mc_attr_type;
@@ -1056,15 +1054,10 @@ int __init edac_mc_sysfs_init(void)
 
 	err = device_add(mci_pdev);
 	if (err < 0)
-		goto out_put_device;
-
-	edac_dbg(0, "device %s created\n", dev_name(mci_pdev));
-
-	return 0;
+		put_device(mci_pdev);
+	else
+		edac_dbg(0, "device %s created\n", dev_name(mci_pdev));
 
- out_put_device:
-	put_device(mci_pdev);
- out:
 	return err;
 }
 
-- 
2.20.1