Re: ext4/super.c : Fix a goto label

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On Mon, Aug 28, 2023 at 05:27:26PM +0800, Haibo Liu wrote:
> There are 9 goto labels in ext4_init_fs: out,out05,out1,out2,out3,out4,out5,out6,out7. So I feel that replacing out5 with out0 may be better. 

...then why not replace them all with descriptions of what gets released
under each label?

	ret = init_inodecache();
	if (ret)
		goto out_unregister_mballoc;
	ret = init_somethingelse();
	if (ret)
		goto out_inodecache;

out_unregister_ext23:
	unregister_as_ext2();
	unregister_as_ext3();
out_inodecache:
	destroy_inodecache();
out_mballoc:
	ext4_exit_mballoc();

Is much more easier to understand than out[0...N], yes?

--D

> Signed-off-by: Haibo Liu <haiboliu6@xxxxxxxxx>
> ---
>  fs/ext4/super.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/ext4/super.c b/fs/ext4/super.c
> index 03373471131c..115bbbd95a7b 100644
> --- a/fs/ext4/super.c
> +++ b/fs/ext4/super.c
> @@ -6696,7 +6696,7 @@ static int __init ext4_init_fs(void)
>  
>  	err = ext4_fc_init_dentry_cache();
>  	if (err)
> -		goto out05;
> +		goto out0;
>  
>  	register_as_ext3();
>  	register_as_ext2();
> @@ -6708,7 +6708,7 @@ static int __init ext4_init_fs(void)
>  out:
>  	unregister_as_ext2();
>  	unregister_as_ext3();
> -out05:
> +out0:
>  	destroy_inodecache();
>  out1:
>  	ext4_exit_mballoc();
> -- 
> 2.34.1
> 



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