From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 62BDBC6FD1F for ; Fri, 10 Mar 2023 14:19:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232140AbjCJOTT (ORCPT ); Fri, 10 Mar 2023 09:19:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58630 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232040AbjCJOSu (ORCPT ); Fri, 10 Mar 2023 09:18:50 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4611E11ACB0 for ; Fri, 10 Mar 2023 06:17:27 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id D95DDB8228E for ; Fri, 10 Mar 2023 14:17:26 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 34B00C4339B; Fri, 10 Mar 2023 14:17:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678457845; bh=06DzgdHzH8eY8KzCTJnDJv99Wvx9apdUuqmEj/v3Rdw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=awD9SCM/Mcz4NqnLkjbaCuGSizyR62NT/F4+PBDmcYxEzpQ74CrRR6UMjdMpPMa16 f5YzRDw1SB9xetSBTj7B9VDaN5GHBK+V7khyDuA6OlfUA08T1Dy7Ppbr23bW36ePXC rlLN5VVb41tOoeRI4uMLyG/OWx2G/gwk0JweFyYY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Dmitry Baryshkov , Abhinav Kumar , Sasha Levin Subject: [PATCH 4.19 077/252] drm/msm: use strscpy instead of strncpy Date: Fri, 10 Mar 2023 14:37:27 +0100 Message-Id: <20230310133721.160669063@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230310133718.803482157@linuxfoundation.org> References: <20230310133718.803482157@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Dmitry Baryshkov [ Upstream commit d7fd8634f48d76aa799ed57beb7d87dab91bde80 ] Using strncpy can result in non-NULL-terminated destination string. Use strscpy instead. This fixes following warning: drivers/gpu/drm/msm/msm_fence.c: In function ‘msm_fence_context_alloc’: drivers/gpu/drm/msm/msm_fence.c:25:9: warning: ‘strncpy’ specified bound 32 equals destination size [-Wstringop-truncation] 25 | strncpy(fctx->name, name, sizeof(fctx->name)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Fixes: f97decac5f4c ("drm/msm: Support multiple ringbuffers") Signed-off-by: Dmitry Baryshkov Reviewed-by: Abhinav Kumar Patchwork: https://patchwork.freedesktop.org/patch/518787/ Link: https://lore.kernel.org/r/20230118020152.1689213-1-dmitry.baryshkov@linaro.org Signed-off-by: Dmitry Baryshkov Signed-off-by: Sasha Levin --- drivers/gpu/drm/msm/msm_fence.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/msm/msm_fence.c b/drivers/gpu/drm/msm/msm_fence.c index 6c11be79574e5..ef79c3661acb4 100644 --- a/drivers/gpu/drm/msm/msm_fence.c +++ b/drivers/gpu/drm/msm/msm_fence.c @@ -31,7 +31,7 @@ msm_fence_context_alloc(struct drm_device *dev, const char *name) return ERR_PTR(-ENOMEM); fctx->dev = dev; - strncpy(fctx->name, name, sizeof(fctx->name)); + strscpy(fctx->name, name, sizeof(fctx->name)); fctx->context = dma_fence_context_alloc(1); init_waitqueue_head(&fctx->event); spin_lock_init(&fctx->spinlock); -- 2.39.2