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| author | Chao Yu <yuchao0@huawei.com> | 2018-09-05 09:54:02 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-09-12 03:09:32 +0300 |
| commit | 4a70e255449c9a13eed7a6eeecc85a1ea63cef76 (patch) | |
| tree | 753e84f3e696cfde1abf01dec6cbdfb33a774eb5 /fs/f2fs | |
| parent | 0b2103e886e6de9802e1170e57c573443286a483 (diff) | |
| download | linux-4a70e255449c9a13eed7a6eeecc85a1ea63cef76.tar.xz | |
f2fs: fix memory leak of percpu counter in fill_super()
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>
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 2f55713f7f99..b2acb7f751f1 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -2458,8 +2458,12 @@ 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 |