diff options
Diffstat (limited to 'drivers/usb/image/mdc800.c')
| -rw-r--r-- | drivers/usb/image/mdc800.c | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/drivers/usb/image/mdc800.c b/drivers/usb/image/mdc800.c index e4ec133ee74..1d973bcf56a 100644 --- a/drivers/usb/image/mdc800.c +++ b/drivers/usb/image/mdc800.c @@ -975,13 +975,13 @@ static struct usb_driver mdc800_usb_driver = Init and Cleanup this driver (Main Functions) *************************************************************************/ -#define try(A) if (!(A)) goto cleanup_on_fail; - static int __init usb_mdc800_init (void) { int retval = -ENODEV; /* Allocate Memory */ - try (mdc800=kmalloc (sizeof (struct mdc800_data), GFP_KERNEL)); + mdc800=kmalloc (sizeof (struct mdc800_data), GFP_KERNEL); + if (!mdc800) + goto cleanup_on_fail; memset(mdc800, 0, sizeof(struct mdc800_data)); mdc800->dev = NULL; @@ -997,13 +997,25 @@ static int __init usb_mdc800_init (void) mdc800->downloaded = 0; mdc800->written = 0; - try (mdc800->irq_urb_buffer=kmalloc (8, GFP_KERNEL)); - try (mdc800->write_urb_buffer=kmalloc (8, GFP_KERNEL)); - try (mdc800->download_urb_buffer=kmalloc (64, GFP_KERNEL)); + mdc800->irq_urb_buffer=kmalloc (8, GFP_KERNEL); + if (!mdc800->irq_urb_buffer) + goto cleanup_on_fail; + mdc800->write_urb_buffer=kmalloc (8, GFP_KERNEL); + if (!mdc800->write_urb_buffer) + goto cleanup_on_fail; + mdc800->download_urb_buffer=kmalloc (64, GFP_KERNEL); + if (!mdc800->download_urb_buffer) + goto cleanup_on_fail; - try (mdc800->irq_urb=usb_alloc_urb (0, GFP_KERNEL)); - try (mdc800->download_urb=usb_alloc_urb (0, GFP_KERNEL)); - try (mdc800->write_urb=usb_alloc_urb (0, GFP_KERNEL)); + mdc800->irq_urb=usb_alloc_urb (0, GFP_KERNEL); + if (!mdc800->irq_urb) + goto cleanup_on_fail; + mdc800->download_urb=usb_alloc_urb (0, GFP_KERNEL); + if (!mdc800->download_urb) + goto cleanup_on_fail; + mdc800->write_urb=usb_alloc_urb (0, GFP_KERNEL); + if (!mdc800->write_urb) + goto cleanup_on_fail; /* Register the driver */ retval = usb_register(&mdc800_usb_driver); |