usb: dwc3: no need to initialize ret variable

First usage of ret variable will re-write initial value. Thus, there is no need
to initialize it.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

5 files changed, 9 insertions, 11 deletions

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index af8c8f6e67b3..3f59c1247825 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -626,7 +626,7 @@ static int dwc3_probe(struct platform_device *pdev)
         struct resource         *res;
         struct dwc3             *dwc;
 
-        int                     ret = -ENOMEM;
+        int                     ret;
 
         void __iomem            *regs;
         void                    *mem;
diff --git a/drivers/usb/dwc3/dwc3-exynos.c b/drivers/usb/dwc3/dwc3-exynos.c
index 0ed85834bfec..f9fb8adb785b 100644
--- a/drivers/usb/dwc3/dwc3-exynos.c
+++ b/drivers/usb/dwc3/dwc3-exynos.c
@@ -110,12 +110,12 @@ static int dwc3_exynos_probe(struct platform_device *pdev)
         struct device           *dev = &pdev->dev;
         struct device_node      *node = dev->of_node;
 
-        int                     ret = -ENOMEM;
+        int                     ret;
 
         exynos = devm_kzalloc(dev, sizeof(*exynos), GFP_KERNEL);
         if (!exynos) {
                 dev_err(dev, "not enough memory\n");
-                goto err1;
+                return -ENOMEM;
         }
 
         /*
@@ -125,21 +125,20 @@ static int dwc3_exynos_probe(struct platform_device *pdev)
          */
         ret = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(32));
         if (ret)
-                goto err1;
+                return ret;
 
         platform_set_drvdata(pdev, exynos);
 
         ret = dwc3_exynos_register_phys(exynos);
         if (ret) {
                 dev_err(dev, "couldn't register PHYs\n");
-                goto err1;
+                return ret;
         }
 
         clk = devm_clk_get(dev, "usbdrd30");
         if (IS_ERR(clk)) {
                 dev_err(dev, "couldn't get clock\n");
-                ret = -EINVAL;
-                goto err1;
+                return -EINVAL;
         }
 
         exynos->dev     = dev;
@@ -189,7 +188,6 @@ err3:
         regulator_disable(exynos->vdd33);
 err2:
         clk_disable_unprepare(clk);
-err1:
         return ret;
 }
 
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index 1160ff41bed4..4af4c3567656 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -393,7 +393,7 @@ static int dwc3_omap_probe(struct platform_device *pdev)
         struct extcon_dev       *edev;
         struct regulator        *vbus_reg = NULL;
 
-        int                     ret = -ENOMEM;
+        int                     ret;
         int                     irq;
 
         int                     utmi_mode = 0;
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 1ed95e0386eb..e76d1ca5531c 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -99,7 +99,7 @@ static int dwc3_pci_probe(struct pci_dev *pci,
         struct resource         res[2];
         struct platform_device  *dwc3;
         struct dwc3_pci         *glue;
-        int                     ret = -ENOMEM;
+        int                     ret;
         struct device           *dev = &pci->dev;
 
         glue = devm_kzalloc(dev, sizeof(*glue), GFP_KERNEL);
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index e0b791050930..696b472274ef 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -584,7 +584,7 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep,
 {
         struct dwc3             *dwc = dep->dwc;
         u32                     reg;
-        int                     ret = -ENOMEM;
+        int                     ret;
 
         dev_vdbg(dwc->dev, "Enabling %s\n", dep->name);