Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

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

Browse source 
[ 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: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Chao Yu 2018-09-05 14:54:02 +08:00 committed by Greg Kroah-Hartman
parent 8830373080
commit 7b55102cdc
1 changed files with 5 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
fs/f2fs/super.c
View file

@ -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