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f2fs: fix memory leak after kobject init failed in fill_super

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If we failed to init&add kobject when fill_super, stats info and proc object of
f2fs will not be released.
We should free them before we finish fill_super.

Signed-off-by: Chao Yu <chao2.yu@samsung.com>
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
This commit is contained in:
Chao Yu 2013-11-07 10:14:51 +08:00 committed by Jaegeuk Kim
parent fb51b5ef9c
commit 1d15bd2034
1 changed files with 8 additions and 2 deletions
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10
fs/f2fs/super.c
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@ -975,12 +975,12 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
/* After POR, we can run background GC thread.*/
err = start_gc_thread(sbi);
if (err)
goto fail;
goto free_gc;
}
err = f2fs_build_stats(sbi);
if (err)
goto fail;
goto free_gc;
if (f2fs_proc_root)
sbi->s_proc = proc_mkdir(sb->s_id, f2fs_proc_root);
@ -1006,6 +1006,12 @@ static int f2fs_fill_super(struct super_block *sb, void *data, int silent)
return 0;
fail:
if (sbi->s_proc) {
remove_proc_entry("segment_info", sbi->s_proc);
remove_proc_entry(sb->s_id, f2fs_proc_root);
}
f2fs_destroy_stats(sbi);
free_gc:
stop_gc_thread(sbi);
free_root_inode:
dput(sb->s_root);