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| author | Ingo Molnar <mingo@elte.hu> | 2008-12-08 15:07:49 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-08 15:07:49 +0100 |
| commit | aa9c9b8c584a42a094202b7e0f63497e888f86a7 (patch) | |
| tree | 3cb3b022054a7c1722657288518f495e0c4d9983 /mm/backing-dev.c | |
| parent | 87f7606591aea6a8a38ea4c8911b5eeeee2740b8 (diff) | |
| parent | 218d11a8b071b23b76c484fd5f72a4fe3306801e (diff) | |
Merge branch 'linus' into x86/quirks
Diffstat (limited to 'mm/backing-dev.c')
| -rw-r--r-- | mm/backing-dev.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c index f2e574dbc30..2a56124dbc2 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -176,6 +176,9 @@ int bdi_register(struct backing_dev_info *bdi, struct device *parent, int ret = 0; struct device *dev; + if (WARN_ON(bdi->dev)) + goto exit; + va_start(args, fmt); dev = device_create_vargs(bdi_class, parent, MKDEV(0, 0), bdi, fmt, args); va_end(args); |