diff options
| author | Ingo Molnar | 2008-12-12 12:43:05 +0100 |
|---|---|---|
| committer | Ingo Molnar | 2008-12-12 12:43:05 +0100 |
| commit | 81444a799550214f549caf579cf65a0ca55e70b7 (patch) | |
| tree | 3288dac0740be2e1e7d1af4ee51d792a6e91edf3 /mm/backing-dev.c | |
| parent | a64d31baed104be25305e9c71585d3ea4ee9a418 (diff) | |
| parent | da485e0cb16726797e99a595a399b9fc721b91bc (diff) | |
Merge branch 'tracing/fastboot' into cpus4096
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 f2e574dbc300..2a56124dbc28 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); |