Re: [PATCH] btrfs: qgroup: Fix inconsistent IS_ERR and PTR_ERR

From: Gustavo A. R. Silva
Date: Thu Jan 31 2019 - 17:10:36 EST




On 1/31/19 5:49 AM, David Sterba wrote:
> On Wed, Jan 30, 2019 at 08:30:16PM -0600, Gustavo A. R. Silva wrote:
>> Fix inconsistent IS_ERR and PTR_ERR in btrfs_qgroup_trace_subtree_after_cow
>>
>> The proper pointer to be passed as argument is reloc_eb.
>>
>> This bug was detected with the help of Coccinelle.
>>
>> Fixes: 2b35a512e9cf ("btrfs: qgroup: Use delayed subtree rescan for balance")
>> Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
>> ---
>> fs/btrfs/qgroup.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c
>> index 8559ed92d708..16d7ec8e4a06 100644
>> --- a/fs/btrfs/qgroup.c
>> +++ b/fs/btrfs/qgroup.c
>> @@ -3931,7 +3931,7 @@ int btrfs_qgroup_trace_subtree_after_cow(struct btrfs_trans_handle *trans,
>> block->reloc_generation, block->level,
>> &block->first_key);
>> if (IS_ERR(reloc_eb)) {
>> - ret = PTR_ERR(subv_eb);
>> + ret = PTR_ERR(reloc_eb);
>
> Thanks, this was reported and fixed but the change has not propagated to
> for-next yet.
>

Great. Good to know it is fixed now.

Thanks
--
Gustavo