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Commit 7b55102c authored by Chao Yu's avatar Chao Yu Committed by Greg Kroah-Hartman
Browse files

f2fs: fix memory leak of percpu counter in fill_super() 



[ Upstream commit 4a70e255449c9a13eed7a6eeecc85a1ea63cef76 ]

In fill_super -> init_percpu_info, we should destroy percpu counter
in error path, otherwise memory allcoated for percpu counter will
leak.

Signed-off-by: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 88303730

fs/f2fs/super.c

+5 −1
Original line number Diff line number Diff line
@@ -2516,8 +2516,12 @@ static int init_percpu_info(struct f2fs_sb_info *sbi) 
	if (err)

		return err;



	return percpu_counter_init(&sbi->total_valid_inode_count, 0,

	err = percpu_counter_init(&sbi->total_valid_inode_count, 0,

								GFP_KERNEL);

	if (err)

		percpu_counter_destroy(&sbi->alloc_valid_block_count);



	return err;

}



#ifdef CONFIG_BLK_DEV_ZONED