From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lloyd Atkinson Subject: [PATCH 2/3] drm/msm/dsi: correct DSI id bounds check during registration Date: Fri, 12 Jan 2018 15:55:30 -0500 Message-ID: <1515790531-157273-3-git-send-email-latkinso@codeaurora.org> References: <1515790531-157273-1-git-send-email-latkinso@codeaurora.org> Return-path: Received: from smtp.codeaurora.org ([198.145.29.96]:53274 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964844AbeALUzl (ORCPT ); Fri, 12 Jan 2018 15:55:41 -0500 In-Reply-To: <1515790531-157273-1-git-send-email-latkinso@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org List-Id: linux-arm-msm@vger.kernel.org To: dri-devel@lists.freedesktop.org Cc: Lloyd Atkinson , linux-arm-msm@vger.kernel.org Check DSI instance id argument against the proper boundary size to protect against invalid configuration of the DSI id. Signed-off-by: Lloyd Atkinson --- drivers/gpu/drm/msm/dsi/dsi_manager.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c index d276358..dec2f74 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_manager.c +++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c @@ -862,7 +862,7 @@ int msm_dsi_manager_register(struct msm_dsi *msm_dsi) int id = msm_dsi->id; int ret; - if (id > DSI_MAX) { + if (id >= DSI_MAX) { pr_err("%s: invalid id %d\n", __func__, id); return -EINVAL; } -- QUALCOMM Canada, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation