target/linux/bcm53xx/patches-3.18/182-USB-bcma-use-devm_kzalloc.patch

   1 From 93724affb195149df6f7630901d878f6e273fa02 Mon Sep 17 00:00:00 2001
   2 From: Hauke Mehrtens <hauke@hauke-m.de>
   3 Date: Thu, 11 Jun 2015 22:57:37 +0200
   4 Subject: [PATCH] USB: bcma: use devm_kzalloc
   5
   6 Instead of manually handling the frees use devm. There was also a free
   7 missing in the unregister call which is not needed with devm.
   8
   9 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
  10 ---
  11  drivers/usb/host/bcma-hcd.c | 11 ++++-------
  12  1 file changed, 4 insertions(+), 7 deletions(-)
  13
  14 diff --git a/drivers/usb/host/bcma-hcd.c b/drivers/usb/host/bcma-hcd.c
  15 index 853bf9d..d7ea50d 100644
  16 --- a/drivers/usb/host/bcma-hcd.c
  17 +++ b/drivers/usb/host/bcma-hcd.c
  18 @@ -225,7 +225,8 @@ static int bcma_hcd_probe(struct bcma_device *dev)
  19         if (dma_set_mask_and_coherent(dev->dma_dev, DMA_BIT_MASK(32)))
  20                 return -EOPNOTSUPP;
  21
  22 -       usb_dev = kzalloc(sizeof(struct bcma_hcd_device), GFP_KERNEL);
  23 +       usb_dev = devm_kzalloc(&dev->dev, sizeof(struct bcma_hcd_device),
  24 +                              GFP_KERNEL);
  25         if (!usb_dev)
  26                 return -ENOMEM;
  27
  28 @@ -239,10 +240,8 @@ static int bcma_hcd_probe(struct bcma_device *dev)
  29                 ohci_addr = 0x18009000;
  30
  31         usb_dev->ohci_dev = bcma_hcd_create_pdev(dev, true, ohci_addr);
  32 -       if (IS_ERR(usb_dev->ohci_dev)) {
  33 -               err = PTR_ERR(usb_dev->ohci_dev);
  34 -               goto err_free_usb_dev;
  35 -       }
  36 +       if (IS_ERR(usb_dev->ohci_dev))
  37 +               return PTR_ERR(usb_dev->ohci_dev);
  38
  39         usb_dev->ehci_dev = bcma_hcd_create_pdev(dev, false, dev->addr);
  40         if (IS_ERR(usb_dev->ehci_dev)) {
  41 @@ -255,8 +254,6 @@ static int bcma_hcd_probe(struct bcma_device *dev)
  42
  43  err_unregister_ohci_dev:
  44         platform_device_unregister(usb_dev->ohci_dev);
  45 -err_free_usb_dev:
  46 -       kfree(usb_dev);
  47         return err;
  48  }
  49
  50 --
  51 1.8.4.5
  52