Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6:
  SCSI: fix race in device_create
  USB: Core: fix race in device_create
  USB: Phidget: fix race in device_create
  s390: fix race in device_create
  SOUND: fix race in device_create
  UIO: fix race in device_create
  Power Supply: fix race in device_create
  LEDS: fix race in device_create
  IB: fix race in device_create
  ide: fix race in device_create
  fbdev: fix race in device_create
  mm: bdi: fix race in bdi_class device creation
  Driver core: add device_create_vargs and device_create_drvdata

1 files changed, 2 insertions, 10 deletions

diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index 7c4f9e097095..f2e574dbc300 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -172,30 +172,22 @@ postcore_initcall(bdi_class_init);
 int bdi_register(struct backing_dev_info *bdi, struct device *parent,
                 const char *fmt, ...)
 {
-        char *name;
         va_list args;
         int ret = 0;
         struct device *dev;
 
         va_start(args, fmt);
-        name = kvasprintf(GFP_KERNEL, fmt, args);
+        dev = device_create_vargs(bdi_class, parent, MKDEV(0, 0), bdi, fmt, args);
         va_end(args);
-
-        if (!name)
-                return -ENOMEM;
-
-        dev = device_create(bdi_class, parent, MKDEV(0, 0), name);
         if (IS_ERR(dev)) {
                 ret = PTR_ERR(dev);
                 goto exit;
         }
 
         bdi->dev = dev;
-        dev_set_drvdata(bdi->dev, bdi);
-        bdi_debug_register(bdi, name);
+        bdi_debug_register(bdi, dev_name(dev));
 
 exit:
-        kfree(name);
         return ret;
 }
 EXPORT_SYMBOL(bdi_register);