linux-next: build warning after merge of the btrfs-kdave tree

[Stephen Rothwell]

Hi David,

After merging the btrfs-kdave tree, today's linux-next build (x86_64
allmodconfig) produced this warning:

fs/btrfs/props.c: In function 'inherit_props':
fs/btrfs/props.c:389:4: warning: 'num_bytes' may be used uninitialized in this function [-Wmaybe-uninitialized]
    btrfs_block_rsv_release(fs_info, trans->block_rsv,
    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      num_bytes);
      ~~~~~~~~~~

Probably introduced by commit

  b835a4a3faec ("btrfs: use the existing reserved items for our first prop for inheritance")

Looks like a false positive to me.

-- 
Cheers,
Stephen Rothwell

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