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| author | Chao Yu <yuchao0@huawei.com> | 2018-09-05 14:54:02 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-20 17:59:52 +0100 |
| commit | 2afdbe702024508ef0286ff3240660c3b7164d47 (patch) | |
| tree | 9941e33fa822c1ad99dfb7aaa6ea9bc8bcc97ee0 /fs/f2fs | |
| parent | b7da2be19178ba02912b1a3c7e46b6ab4f050f92 (diff) | |
| download | linux-stable-2afdbe702024508ef0286ff3240660c3b7164d47.tar.gz linux-stable-2afdbe702024508ef0286ff3240660c3b7164d47.tar.bz2 linux-stable-2afdbe702024508ef0286ff3240660c3b7164d47.zip | |
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: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/super.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 0f3209b23c94..e4aabfc21bd4 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -2123,8 +2123,12 @@ 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 |