diff mbox series

[09/20] init: cleanup match_dev_by_uuid and match_dev_by_label

Message ID 20201118084800.2339180-10-hch@lst.de (mailing list archive)
State New
Headers show
Series [01/20] blk-cgroup: fix a hd_struct leak in blkcg_fill_root_iostats | expand

Commit Message

Christoph Hellwig Nov. 18, 2020, 8:47 a.m. UTC
Avoid a totally pointless goto label, and use the same style of
comparism for both helpers.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 init/do_mounts.c | 18 ++++++------------
 1 file changed, 6 insertions(+), 12 deletions(-)

Comments

Jan Kara Nov. 18, 2020, 2:42 p.m. UTC | #1
On Wed 18-11-20 09:47:49, Christoph Hellwig wrote:
> Avoid a totally pointless goto label, and use the same style of
> comparism for both helpers.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>

OK. You can add:

Reviewed-by: Jan Kara <jack@suse.cz>

								Honza
> ---
>  init/do_mounts.c | 18 ++++++------------
>  1 file changed, 6 insertions(+), 12 deletions(-)
> 
> diff --git a/init/do_mounts.c b/init/do_mounts.c
> index afa26a4028d25e..5879edf083b318 100644
> --- a/init/do_mounts.c
> +++ b/init/do_mounts.c
> @@ -79,15 +79,10 @@ static int match_dev_by_uuid(struct device *dev, const void *data)
>  	const struct uuidcmp *cmp = data;
>  	struct hd_struct *part = dev_to_part(dev);
>  
> -	if (!part->info)
> -		goto no_match;
> -
> -	if (strncasecmp(cmp->uuid, part->info->uuid, cmp->len))
> -		goto no_match;
> -
> +	if (!part->info ||
> +	    strncasecmp(cmp->uuid, part->info->uuid, cmp->len))
> +		return 0;
>  	return 1;
> -no_match:
> -	return 0;
>  }
>  
>  /**
> @@ -174,10 +169,9 @@ static int match_dev_by_label(struct device *dev, const void *data)
>  	const char *label = data;
>  	struct hd_struct *part = dev_to_part(dev);
>  
> -	if (part->info && !strcmp(label, part->info->volname))
> -		return 1;
> -
> -	return 0;
> +	if (!part->info || strcmp(label, part->info->volname))
> +		return 0;
> +	return 1;
>  }
>  
>  static dev_t devt_from_partlabel(const char *label)
> -- 
> 2.29.2
>
Johannes Thumshirn Nov. 19, 2020, 8:38 a.m. UTC | #2
Looks good,
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
diff mbox series

Patch

diff --git a/init/do_mounts.c b/init/do_mounts.c
index afa26a4028d25e..5879edf083b318 100644
--- a/init/do_mounts.c
+++ b/init/do_mounts.c
@@ -79,15 +79,10 @@  static int match_dev_by_uuid(struct device *dev, const void *data)
 	const struct uuidcmp *cmp = data;
 	struct hd_struct *part = dev_to_part(dev);
 
-	if (!part->info)
-		goto no_match;
-
-	if (strncasecmp(cmp->uuid, part->info->uuid, cmp->len))
-		goto no_match;
-
+	if (!part->info ||
+	    strncasecmp(cmp->uuid, part->info->uuid, cmp->len))
+		return 0;
 	return 1;
-no_match:
-	return 0;
 }
 
 /**
@@ -174,10 +169,9 @@  static int match_dev_by_label(struct device *dev, const void *data)
 	const char *label = data;
 	struct hd_struct *part = dev_to_part(dev);
 
-	if (part->info && !strcmp(label, part->info->volname))
-		return 1;
-
-	return 0;
+	if (!part->info || strcmp(label, part->info->volname))
+		return 0;
+	return 1;
 }
 
 static dev_t devt_from_partlabel(const char *label)