linux-kernel - [PATCH v3 09/12] staging: fsl-mc: refactored error exit in allocator probe/remove

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Date:	Sat, 17 Oct 2015 11:18:21 -0500
From:	"J. German Rivera" <German.Rivera@...escale.com>
To:	<gregkh@...uxfoundation.org>, <arnd@...db.de>,
	<devel@...verdev.osuosl.org>, <linux-kernel@...r.kernel.org>
CC:	<stuart.yoder@...escale.com>, <itai.katz@...escale.com>,
	<lijun.pan@...escale.com>, <leoli@...escale.com>,
	<scottwood@...escale.com>, <agraf@...e.de>,
	<bhamciu1@...escale.com>, <R89243@...escale.com>,
	<bhupesh.sharma@...escale.com>, <nir.erez@...escale.com>,
	<richard.schmitt@...escale.com>, <dan.carpenter@...cle.com>,
	"J. German Rivera" <German.Rivera@...escale.com>
Subject: [PATCH v3 09/12] staging: fsl-mc: refactored error exit in allocator probe/remove

Replaced error gotos with direct returns in fsl_mc_allocator_probe()
and fsl_mc_allocator_remove(), since the only error handling done
in those functions is to exit.

Signed-off-by: J. German Rivera <German.Rivera@...escale.com>
---
CHANGE HISTORY

Changes in v3: none

Changes in v2: none

 drivers/staging/fsl-mc/bus/mc-allocator.c | 23 +++++++++--------------
 1 file changed, 9 insertions(+), 14 deletions(-)

diff --git a/drivers/staging/fsl-mc/bus/mc-allocator.c b/drivers/staging/fsl-mc/bus/mc-allocator.c
index e9c3dec..a45293b 100644
--- a/drivers/staging/fsl-mc/bus/mc-allocator.c
+++ b/drivers/staging/fsl-mc/bus/mc-allocator.c
@@ -474,30 +474,27 @@ static int fsl_mc_allocator_probe(struct fsl_mc_device *mc_dev)
 	enum fsl_mc_pool_type pool_type;
 	struct fsl_mc_device *mc_bus_dev;
 	struct fsl_mc_bus *mc_bus;
-	int error = -EINVAL;
+	int error;

 	if (WARN_ON(!FSL_MC_IS_ALLOCATABLE(mc_dev->obj_desc.type)))
-		goto error;
+		return -EINVAL;

 	mc_bus_dev = to_fsl_mc_device(mc_dev->dev.parent);
 	if (WARN_ON(mc_bus_dev->dev.bus != &fsl_mc_bus_type))
-		goto error;
+		return -EINVAL;

 	mc_bus = to_fsl_mc_bus(mc_bus_dev);
 	error = object_type_to_pool_type(mc_dev->obj_desc.type, &pool_type);
 	if (error < 0)
-		goto error;
+		return error;

 	error = fsl_mc_resource_pool_add_device(mc_bus, pool_type, mc_dev);
 	if (error < 0)
-		goto error;
+		return error;

 	dev_dbg(&mc_dev->dev,
 		"Allocatable MC object device bound to fsl_mc_allocator driver");
 	return 0;
-error:
-
-	return error;
 }

 /**
@@ -506,22 +503,20 @@ error:
  */
 static int fsl_mc_allocator_remove(struct fsl_mc_device *mc_dev)
 {
-	int error = -EINVAL;
+	int error;

 	if (WARN_ON(!FSL_MC_IS_ALLOCATABLE(mc_dev->obj_desc.type)))
-		goto out;
+		return -EINVAL;

 	if (mc_dev->resource) {
 		error = fsl_mc_resource_pool_remove_device(mc_dev);
 		if (error < 0)
-			goto out;
+			return error;
 	}

 	dev_dbg(&mc_dev->dev,
 		"Allocatable MC object device unbound from fsl_mc_allocator driver");
-	error = 0;
-out:
-	return error;
+	return 0;
 }

 static const struct fsl_mc_device_match_id match_id_table[] = {
--
2.3.3

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