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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C53C9CD5BB0 for ; Fri, 22 May 2026 14:42:59 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D86B010F660; Fri, 22 May 2026 14:42:58 +0000 (UTC) Received: from mailgw.kylinos.cn (mailgw.kylinos.cn [124.126.103.232]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0B59F10F50D; Fri, 22 May 2026 09:19:26 +0000 (UTC) X-UUID: 50f1333255bf11f1aa26b74ffac11d73-20260522 X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.3.12, REQID:3907f5cb-10e1-4dc5-a463-e8fa8ff10195, IP:0, U RL:0,TC:0,Content:0,EDM:-25,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTIO N:release,TS:-25 X-CID-META: VersionHash:e7bac3a, CLOUDID:dd5522b411114bdc0608001cf9a16299, BulkI D:nil,BulkQuantity:0,Recheck:0,SF:102|850|865|898,TC:nil,Content:0|15|16|5 0,EDM:2,IP:nil,URL:99|1,File:nil,RT:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI: 0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0,ARC:0 X-CID-BVR: 2,SSN|SDN X-CID-BAS: 2,SSN|SDN,0,_ X-CID-FACTOR: TF_CID_SPAM_SNR,TF_CID_SPAM_ULS X-CID-RHF: D41D8CD98F00B204E9800998ECF8427E X-UUID: 50f1333255bf11f1aa26b74ffac11d73-20260522 X-User: jindongyang@kylinos.cn Received: from localhost.localdomain [(10.44.16.150)] by mailgw.kylinos.cn (envelope-from ) (Generic MTA with TLSv1.3 TLS_AES_256_GCM_SHA384 256/256) with ESMTP id 1456995312; Fri, 22 May 2026 17:19:21 +0800 From: Dongyang Jin To: alexander.deucher@amd.com, christian.koenig@amd.com, airlied@gmail.com, simona@ffwll.ch, sathishkumar.sundararaju@amd.com, yinjie.yao@amd.com, michal.simek@amd.com Cc: amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Dongyang Jin , kernel test robot Subject: [PATCH] drm/amdgpu/jpeg: Fix format-truncation warning in jpeg_v2_5_sw_init() Date: Fri, 22 May 2026 17:19:10 +0800 Message-Id: <20260522091910.3276524-1-jindongyang@kylinos.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Mailman-Approved-At: Fri, 22 May 2026 14:41:04 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" A false-positive compile warnings: drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c: In function 'jpeg_v2_5_sw_init': drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c:152:68: warning: '%d' directive output may be truncated writing between 1 and 11 bytes into a region of size 7 [-Wformat-truncation=] 152 | snprintf(ring->name, sizeof(ring->name), "jpeg_dec_%d", i); | ^~ drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c:152:58: note: directive argument in the range [-2147483643, 255] 152 | snprintf(ring->name, sizeof(ring->name), "jpeg_dec_%d", i); | ^~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c:152:17: note: 'snprintf' output between 11 and 21 bytes into a destination of size 16 152 | snprintf(ring->name, sizeof(ring->name), "jpeg_dec_%d", i); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Suppress it by replacing the type of variable i with uint8_t. Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202605212104.SAIMqegX-lkp@intel.com/ Signed-off-by: Dongyang Jin --- drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c index 5208312e7017..a88a1e1d6423 100644 --- a/drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c +++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v2_5.c @@ -104,7 +104,8 @@ static int jpeg_v2_5_early_init(struct amdgpu_ip_block *ip_block) static int jpeg_v2_5_sw_init(struct amdgpu_ip_block *ip_block) { struct amdgpu_ring *ring; - int i, r; + uint8_t i; + int r; struct amdgpu_device *adev = ip_block->adev; for (i = 0; i < adev->jpeg.num_jpeg_inst; ++i) { @@ -149,7 +150,7 @@ static int jpeg_v2_5_sw_init(struct amdgpu_ip_block *ip_block) else ring->vm_hub = AMDGPU_MMHUB0(0); ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1 + 8 * i; - snprintf(ring->name, sizeof(ring->name), "jpeg_dec_%d", i); + snprintf(ring->name, sizeof(ring->name), "jpeg_dec_%u", i); r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst[i].irq, 0, AMDGPU_RING_PRIO_DEFAULT, NULL); if (r) -- 2.25.1