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btrfs: simplify IS_ERR/PTR_ERR checks

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IS_ERR(p) && PTR_ERR(p) == n is a weird way to spell p == ERR_PTR(n).

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Reviewed-by: David Sterba <dsterba@suse.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
[ update changelog ]
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Al Viro
2018-07-29 23:04:46 +01:00
committed by David Sterba
parent 2e19f1f9d3
commit 8d9e220ca0
2 changed files with 3 additions and 4 deletions
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2
fs/btrfs/transaction.c
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@@ -680,7 +680,7 @@ btrfs_attach_transaction_barrier(struct btrfs_root *root)
trans = start_transaction(root, 0, TRANS_ATTACH,
BTRFS_RESERVE_NO_FLUSH, true);
if (IS_ERR(trans) && PTR_ERR(trans) == -ENOENT)
if (trans == ERR_PTR(-ENOENT))
btrfs_wait_for_commit(root->fs_info, 0);
return trans;