diff --git a/fs/ksmbd/smbacl.c b/fs/ksmbd/smbacl.c index 86ef2a701cc2..fa99d950a6f2 100644 --- a/fs/ksmbd/smbacl.c +++ b/fs/ksmbd/smbacl.c @@ -962,25 +962,29 @@ int smb_inherit_dacl(struct ksmbd_conn *conn, struct dentry *parent = path->dentry->d_parent; struct user_namespace *user_ns = mnt_user_ns(path->mnt); int inherited_flags = 0, flags = 0, i, ace_cnt = 0, nt_size = 0; - int rc = -ENOENT, num_aces, dacloffset, pntsd_type, acl_len; + int rc = 0, num_aces, dacloffset, pntsd_type, acl_len; char *aces_base; bool is_dir = S_ISDIR(d_inode(path->dentry)->i_mode); acl_len = ksmbd_vfs_get_sd_xattr(conn, user_ns, parent, &parent_pntsd); if (acl_len <= 0) - return rc; + return -ENOENT; dacloffset = le32_to_cpu(parent_pntsd->dacloffset); - if (!dacloffset) - goto out; + if (!dacloffset) { + rc = -EINVAL; + goto free_parent_pntsd; + } parent_pdacl = (struct smb_acl *)((char *)parent_pntsd + dacloffset); num_aces = le32_to_cpu(parent_pdacl->num_aces); pntsd_type = le16_to_cpu(parent_pntsd->type); aces_base = kmalloc(sizeof(struct smb_ace) * num_aces * 2, GFP_KERNEL); - if (!aces_base) - goto out; + if (!aces_base) { + rc = -ENOMEM; + goto free_parent_pntsd; + } aces = (struct smb_ace *)aces_base; parent_aces = (struct smb_ace *)((char *)parent_pdacl + @@ -1060,7 +1064,7 @@ int smb_inherit_dacl(struct ksmbd_conn *conn, nt_size, GFP_KERNEL); if (!pntsd) { rc = -ENOMEM; - goto out; + goto free_aces_base; } pntsd->revision = cpu_to_le16(1); @@ -1101,11 +1105,12 @@ int smb_inherit_dacl(struct ksmbd_conn *conn, ksmbd_vfs_set_sd_xattr(conn, user_ns, path->dentry, pntsd, pntsd_size); kfree(pntsd); - rc = 0; } +free_aces_base: kfree(aces_base); -out: +free_parent_pntsd: + kfree(parent_pntsd); return rc; }