linux-kernel - Re: [PATCH] fs/jfs: Fix missing error code in lmLogInit()

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Date:   Tue, 1 Jun 2021 10:30:49 -0500
From:   Dave Kleikamp <dave.kleikamp@...cle.com>
To:     Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Cc:     jfs-discussion@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] fs/jfs: Fix missing error code in lmLogInit()

Good catch. I'll push this in the next merge window.

Thanks,
Shaggy

On 6/1/21 6:07 AM, Jiapeng Chong wrote:
> The error code is missing in this code scenario, add the error code
> '-EINVAL' to the return value 'rc.
> 
> Eliminate the follow smatch warning:
> 
> fs/jfs/jfs_logmgr.c:1327 lmLogInit() warn: missing error code 'rc'.
> 
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
> ---
>   fs/jfs/jfs_logmgr.c | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/fs/jfs/jfs_logmgr.c b/fs/jfs/jfs_logmgr.c
> index 9330eff21..78fd136 100644
> --- a/fs/jfs/jfs_logmgr.c
> +++ b/fs/jfs/jfs_logmgr.c
> @@ -1324,6 +1324,7 @@ int lmLogInit(struct jfs_log * log)
>   		} else {
>   			if (!uuid_equal(&logsuper->uuid, &log->uuid)) {
>   				jfs_warn("wrong uuid on JFS log device");
> +				rc = -EINVAL;
>   				goto errout20;
>   			}
>   			log->size = le32_to_cpu(logsuper->size);
>