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logfs: fix a leak in get_sb

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a) switch ->put_device() to logfs_super *
b) actually call it on early failures in logfs_get_sb_device()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2010-07-26 12:06:00 +04:00
parent 7d945a3aa7
commit e5a0726a95
4 changed files with 8 additions and 7 deletions
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4
fs/logfs/super.c
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@@ -529,7 +529,7 @@ static void logfs_kill_sb(struct super_block *sb)
logfs_cleanup_rw(sb);
if (super->s_erase_page)
__free_page(super->s_erase_page);
super->s_devops->put_device(sb);
super->s_devops->put_device(super);
logfs_mempool_destroy(super->s_btree_pool);
logfs_mempool_destroy(super->s_alias_pool);
kfree(super);
@@ -586,8 +586,8 @@ err1:
deactivate_locked_super(sb);
return err;
err0:
super->s_devops->put_device(super);
kfree(super);
//devops->put_device(sb);
return err;
}