logfs: fix a leak in get_sb
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>
diff --git a/fs/logfs/logfs.h b/fs/logfs/logfs.h
index 5d2e66b..446c0f1 100644
--- a/fs/logfs/logfs.h
+++ b/fs/logfs/logfs.h
@@ -136,6 +136,7 @@
int (*erase_segment)(struct logfs_area *area);
};
+struct logfs_super; /* forward */
/**
* struct logfs_device_ops - device access operations
*
@@ -156,7 +157,7 @@
int ensure_write);
int (*can_write_buf)(struct super_block *sb, u64 ofs);
void (*sync)(struct super_block *sb);
- void (*put_device)(struct super_block *sb);
+ void (*put_device)(struct logfs_super *s);
};
/**
