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bcachefs: fix the memory leak in exception case

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The pointer clean points the memory allocated by kmemdup, when the
return value of bch2_sb_clean_validate_late is not zero. The memory
pointed by clean is leaked. So we should free it in this case.

Fixes: a37ad1a3ab ("bcachefs: sb-clean.c")
Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
This commit is contained in:
Hongbo Li 2024-09-24 09:41:46 +08:00 committed by Kent Overstreet
parent 3125c95ea6
commit dc5bfdf8ea
1 changed files with 1 additions and 0 deletions
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fs/bcachefs/sb-clean.c
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@ -167,6 +167,7 @@ struct bch_sb_field_clean *bch2_read_superblock_clean(struct bch_fs *c)
ret = bch2_sb_clean_validate_late(c, clean, READ); ret = bch2_sb_clean_validate_late(c, clean, READ);
if (ret) { if (ret) {
kfree(clean);
mutex_unlock(&c->sb_lock); mutex_unlock(&c->sb_lock);
return ERR_PTR(ret); return ERR_PTR(ret);
} }