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Message-ID: <518C9232.1000803@huawei.com>
Date: Fri, 10 May 2013 14:22:42 +0800
From: Libo Chen <clbchenlibo.chen@...wei.com>
To: <stern@...land.harvard.edu>
CC: <grant.likely@...aro.org>, <rob.herring@...xeda.com>,
<linux-usb@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
"lizefan@...wei.com >> Li Zefan" <lizefan@...wei.com>
Subject: [PATCH v2] usb: ohci: fix goto wrong tag in err case
fix goto wrong tag in usb_hcd_nxp_probe
* Changelog from v1:
* instead of all these statement labels suggested by Alan Stern
Signed-off-by: Libo Chen <libo.chen@...wei.com>
---
drivers/usb/host/ohci-nxp.c | 46 +++++++++++++++++++++---------------------
1 files changed, 23 insertions(+), 23 deletions(-)
diff --git a/drivers/usb/host/ohci-nxp.c b/drivers/usb/host/ohci-nxp.c
index f4988fb..5b7389c 100644
--- a/drivers/usb/host/ohci-nxp.c
+++ b/drivers/usb/host/ohci-nxp.c
@@ -223,8 +223,7 @@ static int usb_hcd_nxp_probe(struct platform_device *pdev)
isp1301_i2c_client = isp1301_get_client(isp1301_node);
if (!isp1301_i2c_client) {
- ret = -EPROBE_DEFER;
- goto out;
+ return -EPROBE_DEFER;
}
pdev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
@@ -234,7 +233,7 @@ static int usb_hcd_nxp_probe(struct platform_device *pdev)
if (usb_disabled()) {
dev_err(&pdev->dev, "USB is disabled\n");
ret = -ENODEV;
- goto out;
+ goto fail_disable;
}
/* Enable AHB slave USB clock, needed for further USB clock control */
@@ -245,19 +244,19 @@ static int usb_hcd_nxp_probe(struct platform_device *pdev)
if (IS_ERR(usb_pll_clk)) {
dev_err(&pdev->dev, "failed to acquire USB PLL\n");
ret = PTR_ERR(usb_pll_clk);
- goto out1;
+ goto fail_pll;
}
ret = clk_enable(usb_pll_clk);
if (ret < 0) {
dev_err(&pdev->dev, "failed to start USB PLL\n");
- goto out2;
+ goto fail_pllen;
}
ret = clk_set_rate(usb_pll_clk, 48000);
if (ret < 0) {
dev_err(&pdev->dev, "failed to set USB clock rate\n");
- goto out3;
+ goto fail_rate;
}
/* Enable USB device clock */
@@ -265,13 +264,13 @@ static int usb_hcd_nxp_probe(struct platform_device *pdev)
if (IS_ERR(usb_dev_clk)) {
dev_err(&pdev->dev, "failed to acquire USB DEV Clock\n");
ret = PTR_ERR(usb_dev_clk);
- goto out4;
+ goto fail_dev;
}
ret = clk_enable(usb_dev_clk);
if (ret < 0) {
dev_err(&pdev->dev, "failed to start USB DEV Clock\n");
- goto out5;
+ goto fail_deven;
}
/* Enable USB otg clocks */
@@ -279,7 +278,7 @@ static int usb_hcd_nxp_probe(struct platform_device *pdev)
if (IS_ERR(usb_otg_clk)) {
dev_err(&pdev->dev, "failed to acquire USB DEV Clock\n");
ret = PTR_ERR(usb_otg_clk);
- goto out6;
+ goto fail_otg;
}
__raw_writel(__raw_readl(USB_CTRL) | USB_HOST_NEED_CLK_EN, USB_CTRL);
@@ -287,7 +286,7 @@ static int usb_hcd_nxp_probe(struct platform_device *pdev)
ret = clk_enable(usb_otg_clk);
if (ret < 0) {
dev_err(&pdev->dev, "failed to start USB DEV Clock\n");
- goto out7;
+ goto fail_otgen;
}
isp1301_configure();
@@ -296,20 +295,20 @@ static int usb_hcd_nxp_probe(struct platform_device *pdev)
if (!hcd) {
dev_err(&pdev->dev, "Failed to allocate HC buffer\n");
ret = -ENOMEM;
- goto out8;
+ goto fail_hcd;
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res) {
dev_err(&pdev->dev, "Failed to get MEM resource\n");
ret = -ENOMEM;
- goto out8;
+ goto fail_resource;
}
hcd->regs = devm_ioremap_resource(&pdev->dev, res);
if (IS_ERR(hcd->regs)) {
ret = PTR_ERR(hcd->regs);
- goto out8;
+ goto fail_resource;
}
hcd->rsrc_start = res->start;
hcd->rsrc_len = resource_size(res);
@@ -317,7 +316,7 @@ static int usb_hcd_nxp_probe(struct platform_device *pdev)
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
ret = -ENXIO;
- goto out8;
+ goto fail_resource;
}
nxp_start_hc();
@@ -331,23 +330,24 @@ static int usb_hcd_nxp_probe(struct platform_device *pdev)
return ret;
nxp_stop_hc();
-out8:
+fail_resource:
usb_put_hcd(hcd);
-out7:
+fail_hcd:
clk_disable(usb_otg_clk);
-out6:
+fail_otgen:
clk_put(usb_otg_clk);
-out5:
+fail_otg:
clk_disable(usb_dev_clk);
-out4:
+fail_deven:
clk_put(usb_dev_clk);
-out3:
+fail_dev:
+fail_rate:
clk_disable(usb_pll_clk);
-out2:
+fail_pllen:
clk_put(usb_pll_clk);
-out1:
+fail_pll:
+fail_disable:
isp1301_i2c_client = NULL;
-out:
return ret;
}
--
1.7.1
--
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