From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2C5E11F957 for ; Tue, 1 Aug 2023 09:36:40 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A360DC433C7; Tue, 1 Aug 2023 09:36:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1690882600; bh=YUxOp0VnOk6DQqVk5k02IxrRuw+AmReyzHASSPn3t9o=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=A4rgqV/Ka+IPzfVQsQzVDMeKDt+GNadmB04Men/Nb4QYsXxx0tZVjVPuyWV9IURT+ WQALUD2wnBqC8/fPDJVjvc7wlHHbJki9AM5y0leCBsmzGi8hvrreB0qPv5BoCuL0lt dqYQZr3s9qGJcM+fgGTBZfKuGb9SG5IkaaQM5Yhw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Kyle Tso , Heikki Krogerus Subject: [PATCH 6.1 163/228] usb: typec: Use sysfs_emit_at when concatenating the string Date: Tue, 1 Aug 2023 11:20:21 +0200 Message-ID: <20230801091928.763259184@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230801091922.799813980@linuxfoundation.org> References: <20230801091922.799813980@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Kyle Tso commit 609fded3f91972ada551c141c5d04a71704f8967 upstream. The buffer address used in sysfs_emit should be aligned to PAGE_SIZE. Use sysfs_emit_at instead to offset the buffer. Fixes: a7cff92f0635 ("usb: typec: USB Power Delivery helpers for ports and partners") Cc: stable@vger.kernel.org Signed-off-by: Kyle Tso Acked-by: Heikki Krogerus Link: https://lore.kernel.org/r/20230623151036.3955013-4-kyletso@google.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/typec/class.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/usb/typec/class.c +++ b/drivers/usb/typec/class.c @@ -1269,9 +1269,9 @@ static ssize_t select_usb_power_delivery for (i = 0; pds[i]; i++) { if (pds[i] == port->pd) - ret += sysfs_emit(buf + ret, "[%s] ", dev_name(&pds[i]->dev)); + ret += sysfs_emit_at(buf, ret, "[%s] ", dev_name(&pds[i]->dev)); else - ret += sysfs_emit(buf + ret, "%s ", dev_name(&pds[i]->dev)); + ret += sysfs_emit_at(buf, ret, "%s ", dev_name(&pds[i]->dev)); } buf[ret - 1] = '\n';