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| author | Chao Yu <yuchao0@huawei.com> | 2018-09-05 14:54:02 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-25 09:52:13 +0100 |
| commit | bb3af019e1c15a03c9d8bbcc359920111fc93187 (patch) | |
| tree | 7c5bab87fcf523a14cd9f03770b4b8ffcb1979b4 | |
| parent | 75c36953ade7411eec249431fdcd8372e61ee20b (diff) | |
| download | linux-rt-bb3af019e1c15a03c9d8bbcc359920111fc93187.tar.gz | |
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>
| -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 9eff18c1f3e4..e0ac676e0a35 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -1650,8 +1650,12 @@ 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; } /* |