diff options
Diffstat (limited to 'fs/logfs/super.c')
| -rw-r--r-- | fs/logfs/super.c | 22 | 
1 files changed, 13 insertions, 9 deletions
diff --git a/fs/logfs/super.c b/fs/logfs/super.c index 5866ee6e132..d651e10a1e9 100644 --- a/fs/logfs/super.c +++ b/fs/logfs/super.c @@ -138,10 +138,14 @@ static int logfs_sb_set(struct super_block *sb, void *_super)  	sb->s_fs_info = super;  	sb->s_mtd = super->s_mtd;  	sb->s_bdev = super->s_bdev; +#ifdef CONFIG_BLOCK  	if (sb->s_bdev)  		sb->s_bdi = &bdev_get_queue(sb->s_bdev)->backing_dev_info; +#endif +#ifdef CONFIG_MTD  	if (sb->s_mtd)  		sb->s_bdi = sb->s_mtd->backing_dev_info; +#endif  	return 0;  } @@ -333,27 +337,27 @@ static int logfs_get_sb_final(struct super_block *sb, struct vfsmount *mnt)  		goto fail;  	sb->s_root = d_alloc_root(rootdir); -	if (!sb->s_root) -		goto fail2; +	if (!sb->s_root) { +		iput(rootdir); +		goto fail; +	}  	super->s_erase_page = alloc_pages(GFP_KERNEL, 0);  	if (!super->s_erase_page) -		goto fail2; +		goto fail;  	memset(page_address(super->s_erase_page), 0xFF, PAGE_SIZE);  	/* FIXME: check for read-only mounts */  	err = logfs_make_writeable(sb);  	if (err) -		goto fail3; +		goto fail1;  	log_super("LogFS: Finished mounting\n");  	simple_set_mnt(mnt, sb);  	return 0; -fail3: +fail1:  	__free_page(super->s_erase_page); -fail2: -	iput(rootdir);  fail:  	iput(logfs_super(sb)->s_master_inode);  	return -EIO; @@ -382,7 +386,7 @@ static struct page *find_super_block(struct super_block *sb)  	if (!first || IS_ERR(first))  		return NULL;  	last = super->s_devops->find_last_sb(sb, &super->s_sb_ofs[1]); -	if (!last || IS_ERR(first)) { +	if (!last || IS_ERR(last)) {  		page_cache_release(first);  		return NULL;  	} @@ -413,7 +417,7 @@ static int __logfs_read_sb(struct super_block *sb)  	page = find_super_block(sb);  	if (!page) -		return -EIO; +		return -EINVAL;  	ds = page_address(page);  	super->s_size = be64_to_cpu(ds->ds_filesystem_size);  |