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btrfs: Don't BUG_ON alloc_path errors in btrfs_balance() 

Dealing with this seems trivial - the only caller of btrfs_balance() is
btrfs_ioctl() which passes the error code directly back to userspace. There
also isn't much state to unwind (if I'm wrong about this point, we can
always safely move the allocation to the top of btrfs_balance() anyway).

Signed-off-by: Mark Fasheh <mfasheh@suse.com>
hifive-unleashed-5.1
Mark Fasheh 2011-07-12 11:10:23 -07:00
parent 1748f843a0
commit 17e9f796bd
1 changed files with 4 additions and 2 deletions
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6
fs/btrfs/volumes.c
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@ -2061,8 +2061,10 @@ int btrfs_balance(struct btrfs_root *dev_root)
/* step two, relocate all the chunks */
path = btrfs_alloc_path();
BUG_ON(!path);
if (!path) {
ret = -ENOMEM;
goto error;
}
key.objectid = BTRFS_FIRST_CHUNK_TREE_OBJECTID;
key.offset = (u64)-1;
key.type = BTRFS_CHUNK_ITEM_KEY;