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

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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>
This commit is contained in:
Chao Yu
2018-09-05 14:54:02 +08:00
committed by Jaegeuk Kim
parent 0b2103e886
commit 4a70e25544
1 changed files with 5 additions and 1 deletions
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6
fs/f2fs/super.c
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@@ -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