* [PATCH] ext2: cleanup the confused goto label
@ 2012-06-24 2:51 Wanlong Gao
2012-06-27 16:29 ` Jan Kara
0 siblings, 1 reply; 4+ messages in thread
From: Wanlong Gao @ 2012-06-24 2:51 UTC (permalink / raw)
To: jack; +Cc: linux-ext4, Wanlong Gao
Cleanup the confused goto label in ext2_fill_super.
Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
---
fs/ext2/super.c | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index b3621cb..301379d 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -771,14 +771,13 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
err = -ENOMEM;
sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
if (!sbi)
- goto failed_unlock;
+ goto failed;
sbi->s_blockgroup_lock =
kzalloc(sizeof(struct blockgroup_lock), GFP_KERNEL);
- if (!sbi->s_blockgroup_lock) {
- kfree(sbi);
- goto failed_unlock;
- }
+ if (!sbi->s_blockgroup_lock)
+ goto failed_sbi;
+
sb->s_fs_info = sbi;
sbi->s_sb_block = sb_block;
@@ -794,7 +793,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
blocksize = sb_min_blocksize(sb, BLOCK_SIZE);
if (!blocksize) {
ext2_msg(sb, KERN_ERR, "error: unable to set blocksize");
- goto failed_sbi;
+ goto failed_bg_lock;
}
/*
@@ -810,7 +809,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
if (!(bh = sb_bread(sb, logic_sb_block))) {
ext2_msg(sb, KERN_ERR, "error: unable to read superblock");
- goto failed_sbi;
+ goto failed_bg_lock;
}
/*
* Note: s_es must be initialized as soon as possible because
@@ -905,7 +904,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
if (!sb_set_blocksize(sb, blocksize)) {
ext2_msg(sb, KERN_ERR,
"error: bad blocksize %d", blocksize);
- goto failed_sbi;
+ goto failed_bg_lock;
}
logic_sb_block = (sb_block*BLOCK_SIZE) / blocksize;
@@ -914,7 +913,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
if(!bh) {
ext2_msg(sb, KERN_ERR, "error: couldn't read"
"superblock on 2nd try");
- goto failed_sbi;
+ goto failed_bg_lock;
}
es = (struct ext2_super_block *) (((char *)bh->b_data) + offset);
sbi->s_es = es;
@@ -1126,11 +1125,12 @@ failed_mount_group_desc:
kfree(sbi->s_debts);
failed_mount:
brelse(bh);
-failed_sbi:
+failed_bg_lock:
sb->s_fs_info = NULL;
kfree(sbi->s_blockgroup_lock);
+failed_sbi:
kfree(sbi);
-failed_unlock:
+failed:
return ret;
}
--
1.7.11.rc0
^ permalink raw reply related [flat|nested] 4+ messages in thread* Re: [PATCH] ext2: cleanup the confused goto label
2012-06-24 2:51 [PATCH] ext2: cleanup the confused goto label Wanlong Gao
@ 2012-06-27 16:29 ` Jan Kara
2012-06-27 16:49 ` Wanlong Gao
0 siblings, 1 reply; 4+ messages in thread
From: Jan Kara @ 2012-06-27 16:29 UTC (permalink / raw)
To: Wanlong Gao; +Cc: jack, linux-ext4
On Sun 24-06-12 10:51:43, Wanlong Gao wrote:
> Cleanup the confused goto label in ext2_fill_super.
>
> Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
> ---
> fs/ext2/super.c | 22 +++++++++++-----------
> 1 file changed, 11 insertions(+), 11 deletions(-)
>
> diff --git a/fs/ext2/super.c b/fs/ext2/super.c
> index b3621cb..301379d 100644
> --- a/fs/ext2/super.c
> +++ b/fs/ext2/super.c
> @@ -771,14 +771,13 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
> err = -ENOMEM;
> sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
> if (!sbi)
> - goto failed_unlock;
> + goto failed;
This change is OK...
>
> sbi->s_blockgroup_lock =
> kzalloc(sizeof(struct blockgroup_lock), GFP_KERNEL);
> - if (!sbi->s_blockgroup_lock) {
> - kfree(sbi);
> - goto failed_unlock;
> - }
> + if (!sbi->s_blockgroup_lock)
> + goto failed_sbi;
> +
... but this and all the changes below really look like an unnecessary
code churn. So please just submit that one change. Thanks.
Honza
> sb->s_fs_info = sbi;
> sbi->s_sb_block = sb_block;
>
> @@ -794,7 +793,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
> blocksize = sb_min_blocksize(sb, BLOCK_SIZE);
> if (!blocksize) {
> ext2_msg(sb, KERN_ERR, "error: unable to set blocksize");
> - goto failed_sbi;
> + goto failed_bg_lock;
> }
>
> /*
> @@ -810,7 +809,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
>
> if (!(bh = sb_bread(sb, logic_sb_block))) {
> ext2_msg(sb, KERN_ERR, "error: unable to read superblock");
> - goto failed_sbi;
> + goto failed_bg_lock;
> }
> /*
> * Note: s_es must be initialized as soon as possible because
> @@ -905,7 +904,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
> if (!sb_set_blocksize(sb, blocksize)) {
> ext2_msg(sb, KERN_ERR,
> "error: bad blocksize %d", blocksize);
> - goto failed_sbi;
> + goto failed_bg_lock;
> }
>
> logic_sb_block = (sb_block*BLOCK_SIZE) / blocksize;
> @@ -914,7 +913,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
> if(!bh) {
> ext2_msg(sb, KERN_ERR, "error: couldn't read"
> "superblock on 2nd try");
> - goto failed_sbi;
> + goto failed_bg_lock;
> }
> es = (struct ext2_super_block *) (((char *)bh->b_data) + offset);
> sbi->s_es = es;
> @@ -1126,11 +1125,12 @@ failed_mount_group_desc:
> kfree(sbi->s_debts);
> failed_mount:
> brelse(bh);
> -failed_sbi:
> +failed_bg_lock:
> sb->s_fs_info = NULL;
> kfree(sbi->s_blockgroup_lock);
> +failed_sbi:
> kfree(sbi);
> -failed_unlock:
> +failed:
> return ret;
> }
>
> --
> 1.7.11.rc0
>
--
Jan Kara <jack@suse.cz>
SUSE Labs, CR
^ permalink raw reply [flat|nested] 4+ messages in thread* [PATCH] ext2: cleanup the confused goto label
2012-06-27 16:29 ` Jan Kara
@ 2012-06-27 16:49 ` Wanlong Gao
2012-06-27 17:19 ` Jan Kara
0 siblings, 1 reply; 4+ messages in thread
From: Wanlong Gao @ 2012-06-27 16:49 UTC (permalink / raw)
To: jack; +Cc: linux-ext4, Wanlong Gao
Cleanup the confused goto label, since the big lock has been removed.
Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
---
fs/ext2/super.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/fs/ext2/super.c b/fs/ext2/super.c
index b3621cb..c8e4979 100644
--- a/fs/ext2/super.c
+++ b/fs/ext2/super.c
@@ -771,13 +771,13 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
err = -ENOMEM;
sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
if (!sbi)
- goto failed_unlock;
+ goto failed;
sbi->s_blockgroup_lock =
kzalloc(sizeof(struct blockgroup_lock), GFP_KERNEL);
if (!sbi->s_blockgroup_lock) {
kfree(sbi);
- goto failed_unlock;
+ goto failed;
}
sb->s_fs_info = sbi;
sbi->s_sb_block = sb_block;
@@ -1130,7 +1130,7 @@ failed_sbi:
sb->s_fs_info = NULL;
kfree(sbi->s_blockgroup_lock);
kfree(sbi);
-failed_unlock:
+failed:
return ret;
}
--
1.7.11.rc0
^ permalink raw reply related [flat|nested] 4+ messages in thread* Re: [PATCH] ext2: cleanup the confused goto label
2012-06-27 16:49 ` Wanlong Gao
@ 2012-06-27 17:19 ` Jan Kara
0 siblings, 0 replies; 4+ messages in thread
From: Jan Kara @ 2012-06-27 17:19 UTC (permalink / raw)
To: Wanlong Gao; +Cc: jack, linux-ext4
On Thu 28-06-12 00:49:44, Wanlong Gao wrote:
> Cleanup the confused goto label, since the big lock has been removed.
Thanks! Merged.
Honza
>
> Signed-off-by: Wanlong Gao <gaowanlong@cn.fujitsu.com>
> ---
> fs/ext2/super.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/fs/ext2/super.c b/fs/ext2/super.c
> index b3621cb..c8e4979 100644
> --- a/fs/ext2/super.c
> +++ b/fs/ext2/super.c
> @@ -771,13 +771,13 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
> err = -ENOMEM;
> sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
> if (!sbi)
> - goto failed_unlock;
> + goto failed;
>
> sbi->s_blockgroup_lock =
> kzalloc(sizeof(struct blockgroup_lock), GFP_KERNEL);
> if (!sbi->s_blockgroup_lock) {
> kfree(sbi);
> - goto failed_unlock;
> + goto failed;
> }
> sb->s_fs_info = sbi;
> sbi->s_sb_block = sb_block;
> @@ -1130,7 +1130,7 @@ failed_sbi:
> sb->s_fs_info = NULL;
> kfree(sbi->s_blockgroup_lock);
> kfree(sbi);
> -failed_unlock:
> +failed:
> return ret;
> }
>
> --
> 1.7.11.rc0
>
--
Jan Kara <jack@suse.cz>
SUSE Labs, CR
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2012-06-27 17:19 UTC | newest]
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2012-06-24 2:51 [PATCH] ext2: cleanup the confused goto label Wanlong Gao
2012-06-27 16:29 ` Jan Kara
2012-06-27 16:49 ` Wanlong Gao
2012-06-27 17:19 ` Jan Kara
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