Re: [PATCH 1/2] ext4: Delete an error message for a failed memory allocation in ext4_multi_mount_protect()

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On 8/19/17 6:47 AM, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Sat, 19 Aug 2017 13:04:50 +0200
> 
> Omit an extra message for a memory allocation failure in this function.

I might be dense, but what makes this message "extra?"

(I suppose kmalloc squawks too if it fails, but is Coccinelle
now warning about explicit memory allocation failure warnings?)

-Eric
 
> This issue was detected by using the Coccinelle software.
> 
> Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> ---
>  fs/ext4/mmp.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/fs/ext4/mmp.c b/fs/ext4/mmp.c
> index eb9835638680..1ce00453f612 100644
> --- a/fs/ext4/mmp.c
> +++ b/fs/ext4/mmp.c
> @@ -371,7 +371,6 @@ int ext4_multi_mount_protect(struct super_block *sb,
> -	if (!mmpd_data) {
> -		ext4_warning(sb, "not enough memory for mmpd_data");
> +	if (!mmpd_data)
>  		goto failed;
> -	}
> +
>  	mmpd_data->sb = sb;
>  	mmpd_data->bh = bh;
>  
> 
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