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| author | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2008-12-05 15:27:43 +1100 |
|---|---|---|
| committer | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2008-12-05 15:27:43 +1100 |
| commit | 14d676f56fad26fd3c31eeff5d4ef8ea4a163571 (patch) | |
| tree | 5e740c5931daecf44a6e74c230f2deb291290f4b /mm/backing-dev.c | |
| parent | 797eaed40e1df4a3b9ece6894a71ce2b568bca38 (diff) | |
| parent | feaf3848a813a106f163013af6fcf6c4bfec92d9 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
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); |