From: Miao Xie <miaox@cn.fujitsu.com>
To: Fengguang Wu <fengguang.wu@intel.com>
Cc: kernel-janitors@vger.kernel.org, linux-btrfs@vger.kernel.org
Subject: Re: [josef-btrfs:master 9/11] fs/btrfs/transaction.c:1118:6: warning: 'parent' may be used uninitial
Date: Thu, 02 Aug 2012 04:29:21 +0000 [thread overview]
Message-ID: <501A0221.4060204@cn.fujitsu.com> (raw)
In-Reply-To: <20120802023123.GA10533@localhost>
On Thu, 2 Aug 2012 10:31:23 +0800, Fengguang Wu wrote:
> There are new compile warnings show up in
>
> tree: git://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-next.git master
> head: 8e1163044779e90662e96887cdd692c1594146ad
> commit: dd817e81e81bbb83b63317b169d0e57a5d7ae0e1 [9/11] Btrfs: fix error path in create_pending_snapshot()
> config: x86_64-randconfig-h031 (attached as .config)
>
> All error/warnings:
>
> fs/btrfs/transaction.c: In function 'create_pending_snapshot':
> fs/btrfs/transaction.c:1118:6: warning: 'parent' may be used uninitialized in this function [-Wmaybe-uninitialized]
> fs/btrfs/transaction.c:1119:19: warning: 'rsv' may be used uninitialized in this function [-Wmaybe-uninitialized]
>
> vim +1118 fs/btrfs/transaction.c
> 1115 if (ret)
> 1116 goto abort_trans;
> 1117 fail:
>> 1118 dput(parent);
> 1119 trans->block_rsv = rsv;
> 1120 no_free_objectid:
> 1121 kfree(new_root_item);
The patch I sent before is based on the v3.5.0, not Chris's latest for-linus branch, so...
I will send new patches to fix it. Thanks for your report.
Miao
>
> ---
> 0-DAY kernel build testing backend Open Source Technology Centre
> Fengguang Wu <wfg@linux.intel.com> Intel Corporation
>
WARNING: multiple messages have this Message-ID (diff)
From: Miao Xie <miaox@cn.fujitsu.com>
To: Fengguang Wu <fengguang.wu@intel.com>
Cc: kernel-janitors@vger.kernel.org, linux-btrfs@vger.kernel.org
Subject: Re: [josef-btrfs:master 9/11] fs/btrfs/transaction.c:1118:6: warning: 'parent' may be used uninitialized in this function
Date: Thu, 02 Aug 2012 12:29:21 +0800 [thread overview]
Message-ID: <501A0221.4060204@cn.fujitsu.com> (raw)
In-Reply-To: <20120802023123.GA10533@localhost>
On Thu, 2 Aug 2012 10:31:23 +0800, Fengguang Wu wrote:
> There are new compile warnings show up in
>
> tree: git://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs-next.git master
> head: 8e1163044779e90662e96887cdd692c1594146ad
> commit: dd817e81e81bbb83b63317b169d0e57a5d7ae0e1 [9/11] Btrfs: fix error path in create_pending_snapshot()
> config: x86_64-randconfig-h031 (attached as .config)
>
> All error/warnings:
>
> fs/btrfs/transaction.c: In function 'create_pending_snapshot':
> fs/btrfs/transaction.c:1118:6: warning: 'parent' may be used uninitialized in this function [-Wmaybe-uninitialized]
> fs/btrfs/transaction.c:1119:19: warning: 'rsv' may be used uninitialized in this function [-Wmaybe-uninitialized]
>
> vim +1118 fs/btrfs/transaction.c
> 1115 if (ret)
> 1116 goto abort_trans;
> 1117 fail:
>> 1118 dput(parent);
> 1119 trans->block_rsv = rsv;
> 1120 no_free_objectid:
> 1121 kfree(new_root_item);
The patch I sent before is based on the v3.5.0, not Chris's latest for-linus branch, so...
I will send new patches to fix it. Thanks for your report.
Miao
>
> ---
> 0-DAY kernel build testing backend Open Source Technology Centre
> Fengguang Wu <wfg@linux.intel.com> Intel Corporation
>
next prev parent reply other threads:[~2012-08-02 4:29 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-02 2:31 [josef-btrfs:master 9/11] fs/btrfs/transaction.c:1118:6: warning: 'parent' may be used uninitialized Fengguang Wu
2012-08-02 2:31 ` [josef-btrfs:master 9/11] fs/btrfs/transaction.c:1118:6: warning: 'parent' may be used uninitialized in this function Fengguang Wu
2012-08-02 4:29 ` Miao Xie [this message]
2012-08-02 4:29 ` Miao Xie
2012-08-02 12:07 ` [josef-btrfs:master 9/11] fs/btrfs/transaction.c:1118:6: warning: 'parent' may be used uninitial Josef Bacik
2012-08-02 12:07 ` [josef-btrfs:master 9/11] fs/btrfs/transaction.c:1118:6: warning: 'parent' may be used uninitialized in this function Josef Bacik
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