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Date:   Mon, 22 May 2023 23:52:09 +0200
From:   David Sterba <dsterba@suse.cz>
To:     zhangshida <starzhangzsd@gmail.com>
Cc:     clm@fb.com, josef@toxicpanda.com, dsterba@suse.com,
        linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org,
        zhangshida@kylinos.cn, k2ci <kernel-bot@kylinos.cn>
Subject: Re: [PATCH] btrfs: fix uninitialized warning in btrfs_log_inode
Message-ID: <20230522215208.GT32559@twin.jikos.cz>
Reply-To: dsterba@suse.cz
References: <20230516013430.2712449-1-zhangshida@kylinos.cn>
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On Tue, May 16, 2023 at 09:34:30AM +0800, zhangshida wrote:
> From: Shida Zhang <zhangshida@kylinos.cn>
> 
> From: Shida Zhang <zhangshida@kylinos.cn>
> 
> This fixes the following warning reported by gcc 10 under x86_64:
> 
> ../fs/btrfs/tree-log.c: In function ‘btrfs_log_inode’:
> ../fs/btrfs/tree-log.c:6211:9: error: ‘last_range_start’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
>  6211 |   ret = insert_dir_log_key(trans, log, path, key.objectid,
>       |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>  6212 |       first_dir_index, last_dir_index);
>       |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> ../fs/btrfs/tree-log.c:6161:6: note: ‘last_range_start’ was declared here
>  6161 |  u64 last_range_start;
>       |      ^~~~~~~~~~~~~~~~
> 
> Reported-by: k2ci <kernel-bot@kylinos.cn>
> Signed-off-by: Shida Zhang <zhangshida@kylinos.cn>

Added to misc-next, thanks.