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Groups > linux.kernel > #1427243

[PATCH net-next 05/19] net: hns: Remove unnecessary device resource free

From Yisen Zhuang <Yisen.Zhuang@huawei.com>
Newsgroups linux.kernel
Subject [PATCH net-next 05/19] net: hns: Remove unnecessary device resource free
Date 2016-06-21 05:50 +0200
Message-ID <rMkRj-qs-11@gated-at.bofh.it> (permalink)
References <rMkHD-l2-5@gated-at.bofh.it>
Organization linux.* mail to news gateway

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From: Qianqian Xie <xieqianqian@huawei.com>

The driver uses devm_ioremap_resource, it will unmap the map
automatically, remove the unnecessary the resource free.

Signed-off-by: Qianqian Xie <xieqianqian@huawei.com>
Reported-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Yisen Zhuang <Yisen.Zhuang@huawei.com>
---
 drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c | 39 +++-------------------
 1 file changed, 4 insertions(+), 35 deletions(-)

diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
index 422f97d..b8b2ff9 100644
--- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
+++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c
@@ -176,7 +176,7 @@ int hns_dsaf_get_cfg(struct dsaf_device *dsaf_dev)
 	    desc_num > HNS_DSAF_MAX_DESC_CNT) {
 		dev_err(dsaf_dev->dev, "get desc-num(%d) fail, ret=%d!\n",
 			desc_num, ret);
-		goto unmap_base_addr;
+		return -EINVAL;
 	}
 	dsaf_dev->desc_num = desc_num;
 
@@ -192,7 +192,7 @@ int hns_dsaf_get_cfg(struct dsaf_device *dsaf_dev)
 	if (ret < 0) {
 		dev_err(dsaf_dev->dev,
 			"get buf-size fail, ret=%d!\r\n", ret);
-		goto unmap_base_addr;
+		return ret;
 	}
 	dsaf_dev->buf_size = buf_size;
 
@@ -200,7 +200,7 @@ int hns_dsaf_get_cfg(struct dsaf_device *dsaf_dev)
 	if (dsaf_dev->buf_size_type < 0) {
 		dev_err(dsaf_dev->dev,
 			"buf_size(%d) is wrong!\n", buf_size);
-		goto unmap_base_addr;
+		return -EINVAL;
 	}
 
 	dsaf_dev->misc_op = hns_misc_op_get(dsaf_dev);
@@ -213,32 +213,6 @@ int hns_dsaf_get_cfg(struct dsaf_device *dsaf_dev)
 		dev_err(dsaf_dev->dev, "set mask to 64bit fail!\n");
 
 	return 0;
-
-unmap_base_addr:
-	if (dsaf_dev->io_base)
-		iounmap(dsaf_dev->io_base);
-	if (dsaf_dev->ppe_base)
-		iounmap(dsaf_dev->ppe_base);
-	if (dsaf_dev->sds_base)
-		iounmap(dsaf_dev->sds_base);
-	if (dsaf_dev->sc_base)
-		iounmap(dsaf_dev->sc_base);
-	return ret;
-}
-
-static void hns_dsaf_free_cfg(struct dsaf_device *dsaf_dev)
-{
-	if (dsaf_dev->io_base)
-		iounmap(dsaf_dev->io_base);
-
-	if (dsaf_dev->ppe_base)
-		iounmap(dsaf_dev->ppe_base);
-
-	if (dsaf_dev->sds_base)
-		iounmap(dsaf_dev->sds_base);
-
-	if (dsaf_dev->sc_base)
-		iounmap(dsaf_dev->sc_base);
 }
 
 /**
@@ -2645,7 +2619,7 @@ static int hns_dsaf_probe(struct platform_device *pdev)
 
 	ret = hns_dsaf_init(dsaf_dev);
 	if (ret)
-		goto free_cfg;
+		goto free_dev;
 
 	ret = hns_mac_init(dsaf_dev);
 	if (ret)
@@ -2670,9 +2644,6 @@ uninit_mac:
 uninit_dsaf:
 	hns_dsaf_free(dsaf_dev);
 
-free_cfg:
-	hns_dsaf_free_cfg(dsaf_dev);
-
 free_dev:
 	hns_dsaf_free_dev(dsaf_dev);
 
@@ -2695,8 +2666,6 @@ static int hns_dsaf_remove(struct platform_device *pdev)
 
 	hns_dsaf_free(dsaf_dev);
 
-	hns_dsaf_free_cfg(dsaf_dev);
-
 	hns_dsaf_free_dev(dsaf_dev);
 
 	return 0;
-- 
1.9.1

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Thread

[PATCH net-next 00/19] net: hns: fix some bugs in hns driver Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
  [PATCH net-next 08/19] net: hns: fix ethtool loopback fail bug Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
  [PATCH net-next 16/19] net: hns: fix bug that alloc skb fail lead to port unavailable Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
    Re: [PATCH net-next 16/19] net: hns: fix bug that alloc skb fail lead  to port unavailable Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2016-06-21 15:30 +0200
      Re: [PATCH net-next 16/19] net: hns: fix bug that alloc skb fail lead  to port unavailable Yisen Zhuang <Yisen.zhuang@huawei.com> - 2016-06-22 03:50 +0200
  [PATCH net-next 05/19] net: hns: Remove unnecessary device resource free Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
  [PATCH net-next 10/19] net: hns: bugfix about pfc pause frame statistics Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
    Re: [PATCH net-next 10/19] net: hns: bugfix about pfc pause frame  statistics Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-06-21 12:50 +0200
      Re: [PATCH net-next 10/19] net: hns: bugfix about pfc pause frame  statistics Yisen Zhuang <Yisen.zhuang@huawei.com> - 2016-06-22 03:50 +0200
        Re: [PATCH net-next 10/19] net: hns: bugfix about pfc pause frame  statistics Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-06-22 11:50 +0200
          Re: [PATCH net-next 10/19] net: hns: bugfix about pfc pause frame  statistics Yisen Zhuang <Yisen.zhuang@huawei.com> - 2016-06-23 07:50 +0200
  [PATCH net-next 18/19] net: hns: change the default coalesce usecs Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
  [PATCH net-next 04/19] net: hns: typo fix of annotation info for hns_nic_reset_subtask() Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
  [PATCH net-next 12/19] net: hns: fix bug of getting the wrong tcam data Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
  [PATCH net-next 15/19] net: hns: bug fix about led control logic when link down Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
  [PATCH net-next 03/19] net: hns: add skb_reset_mac_header() after skb being alloc Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
  [PATCH net-next 17/19] net: hns: fix sbm default parameters config error Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
  [PATCH net-next 02/19] net: hns: fix hns dsaf v1 dont support tx_pause close Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
  [PATCH net-next 14/19] net: hns: delete redundancy ring enable operations Yisen Zhuang <Yisen.Zhuang@huawei.com> - 2016-06-21 05:50 +0200
  Re: [PATCH net-next 00/19] net: hns: fix some bugs in hns driver David Miller <davem@davemloft.net> - 2016-06-21 11:00 +0200

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