linux-kernel - [PATCH 5/5] staging: slicoss: error handling with goto

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Date:	Sun, 27 Jun 2010 17:20:47 +0400
From:	Kulikov Vasiliy <segooon@...il.com>
To:	Greg Kroah-Hartman <gregkh@...e.de>
Cc:	Lior Dotan <liodot@...il.com>, <charrer@...critech.com>,
	Denis Kirjanov <kirjanov@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Jiri Pirko <jpirko@...hat.com>, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 5/5] staging: slicoss: error handling with goto

This patch makes error handling more readable due to 'goto err' pattern.

Signed-off-by: Kulikov Vasiliy <segooon@...il.com>
---
 drivers/staging/slicoss/slicoss.c |   28 +++++++++++++++-------------
 1 files changed, 15 insertions(+), 13 deletions(-)

diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c
index d8c952e..478ba3b 100644
--- a/drivers/staging/slicoss/slicoss.c
+++ b/drivers/staging/slicoss/slicoss.c
@@ -1451,7 +1451,7 @@ static int slic_if_init(struct adapter *adapter)
 	struct net_device *dev = adapter->netdev;
 	__iomem struct slic_regs *slic_regs = adapter->slic_regs;
 	struct slic_shmem *pshmem;
-	int status = 0;
+	int rc;
 
 	ASSERT(card);
 
@@ -1459,7 +1459,8 @@ static int slic_if_init(struct adapter *adapter)
 	if (adapter->state != ADAPT_DOWN) {
 		dev_err(&dev->dev, "%s: adapter->state != ADAPT_DOWN\n",
 			__func__);
-		return -EIO;
+		rc = -EIO;
+		goto err;
 	}
 	ASSERT(adapter->linkstate == LINK_DOWN);
 
@@ -1475,22 +1476,22 @@ static int slic_if_init(struct adapter *adapter)
 		if (dev->flags & IFF_MULTICAST)
 			adapter->macopts |= MAC_MCAST;
 	}
-	status = slic_adapter_allocresources(adapter);
-	if (status != 0) {
+	rc = slic_adapter_allocresources(adapter);
+	if (rc) {
 		dev_err(&dev->dev,
 			"%s: slic_adapter_allocresources FAILED %x\n",
-			__func__, status);
+			__func__, rc);
 		slic_adapter_freeresources(adapter);
-		return status;
+		goto err;
 	}
 
 	if (!adapter->queues_initialized) {
-		if (slic_rspqueue_init(adapter))
-			return -ENOMEM;
-		if (slic_cmdq_init(adapter))
-			return -ENOMEM;
-		if (slic_rcvqueue_init(adapter))
-			return -ENOMEM;
+		if ((rc = slic_rspqueue_init(adapter)))
+			goto err;
+		if ((rc = slic_cmdq_init(adapter)))
+			goto err;
+		if ((rc = slic_rcvqueue_init(adapter)))
+			goto err;
 		adapter->queues_initialized = 1;
 	}
 
@@ -1553,7 +1554,8 @@ static int slic_if_init(struct adapter *adapter)
 	slic_link_config(adapter, LINK_AUTOSPEED, LINK_AUTOD);
 	slic_link_event_handler(adapter);
 
-	return 0;
+err:
+	return rc;
 }
 
 static void slic_unmap_mmio_space(struct adapter *adapter)
-- 
1.7.0.4

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