* [PATCH 1/1 linux-next] udf: destroy sbi mutex in put_super
@ 2015-01-10 18:13 Fabian Frederick
2015-01-12 9:58 ` Jan Kara
0 siblings, 1 reply; 2+ messages in thread
From: Fabian Frederick @ 2015-01-10 18:13 UTC (permalink / raw)
To: linux-kernel; +Cc: Fabian Frederick, Jan Kara
Call mutex_destroy() on superblock mutex in udf_put_super()
otherwise mutex debugging code isn't able to detect that
mutex is used after being freed.
(thanks to Jan Kara for complete definition).
Signed-off-by: Fabian Frederick <fabf@skynet.be>
---
fs/udf/super.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 3ccb2f1..3d35a75 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -2300,6 +2300,7 @@ static void udf_put_super(struct super_block *sb)
udf_close_lvid(sb);
brelse(sbi->s_lvid_bh);
udf_sb_free_partitions(sb);
+ mutex_destroy(&sbi->s_alloc_mutex);
kfree(sb->s_fs_info);
sb->s_fs_info = NULL;
}
--
2.1.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH 1/1 linux-next] udf: destroy sbi mutex in put_super
2015-01-10 18:13 [PATCH 1/1 linux-next] udf: destroy sbi mutex in put_super Fabian Frederick
@ 2015-01-12 9:58 ` Jan Kara
0 siblings, 0 replies; 2+ messages in thread
From: Jan Kara @ 2015-01-12 9:58 UTC (permalink / raw)
To: Fabian Frederick; +Cc: linux-kernel, Jan Kara
On Sat 10-01-15 19:13:32, Fabian Frederick wrote:
> Call mutex_destroy() on superblock mutex in udf_put_super()
> otherwise mutex debugging code isn't able to detect that
> mutex is used after being freed.
> (thanks to Jan Kara for complete definition).
Applied, thanks.
Honza
>
> Signed-off-by: Fabian Frederick <fabf@skynet.be>
> ---
> fs/udf/super.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/fs/udf/super.c b/fs/udf/super.c
> index 3ccb2f1..3d35a75 100644
> --- a/fs/udf/super.c
> +++ b/fs/udf/super.c
> @@ -2300,6 +2300,7 @@ static void udf_put_super(struct super_block *sb)
> udf_close_lvid(sb);
> brelse(sbi->s_lvid_bh);
> udf_sb_free_partitions(sb);
> + mutex_destroy(&sbi->s_alloc_mutex);
> kfree(sb->s_fs_info);
> sb->s_fs_info = NULL;
> }
> --
> 2.1.0
>
--
Jan Kara <jack@suse.cz>
SUSE Labs, CR
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