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OpenCloudOS-Kernel
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Revert "bdi: add error handle for bdi_debug_register" 

This reverts commit a0747a859e.

It breaks some booting for some users, and more than a week
into this, there's still no good fix. Revert this commit
for now until a solution has been found.

Reported-by: Laura Abbott <labbott@redhat.com>
Reported-by: Bruno Wolff III <bruno@wolff.to>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2017-12-21 10:01:30 -07:00
parent 0864fe09ab
commit 6d0e4827b7
1 changed files with 1 additions and 4 deletions
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5
mm/backing-dev.c
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@ -882,13 +882,10 @@ int bdi_register_va(struct backing_dev_info *bdi, const char *fmt, va_list args)
if (IS_ERR(dev))
return PTR_ERR(dev);
if (bdi_debug_register(bdi, dev_name(dev))) {
device_destroy(bdi_class, dev->devt);
return -ENOMEM;
}
cgwb_bdi_register(bdi);
bdi->dev = dev;
bdi_debug_register(bdi, dev_name(dev));
set_bit(WB_registered, &bdi->wb.state);
spin_lock_bh(&bdi_lock);