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charset="iso-2022-jp" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: CO6PR12MB5394.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 617eec7d-0d93-4abe-4101-08dc67eb5ddb X-MS-Exchange-CrossTenant-originalarrivaltime: 29 Apr 2024 01:26:16.9004 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: 8gzlScOFuLqaU/3bsEe8J9L+x5+3EYXOagzkCHRceK0PzIaVmW1qcyyTmAUgQGVY/73jSNZCVsVJp+jfww8U/Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV3PR12MB9402 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" [Public] Reviewed-by: Bob Zhou Regards, Bob -----Original Message----- From: Dan Carpenter Sent: 2024=1B$BG/=1B(B4=1B$B7n=1B(B28=1B$BF|=1B(B 20:57 To: Zhou, Bob Cc: Deucher, Alexander ; Koenig, Christian ; Pan, Xinhui ; David Airlie ; Daniel Vetter ; Kuehling, Felix ; Zhang, Hawking ; Guchun Chen ; Ma, Le ; Lazar, Lijo ; S= harma, Shashank ; amd-gfx@lists.freedesktop.org; d= ri-devel@lists.freedesktop.org; linux-kernel@vger.kernel.org; kernel-janito= rs@vger.kernel.org Subject: [PATCH] drm/amdgpu: Fix signedness bug in sdma_v4_0_process_trap_i= rq() The "instance" variable needs to be signed for the error handling to work. Fixes: b34ddc71267a ("drm/amdgpu: add error handle to avoid out-of-bounds") Signed-off-by: Dan Carpenter --- drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/a= mdgpu/sdma_v4_0.c index 101038395c3b..772604feb6ac 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c @@ -2017,7 +2017,7 @@ static int sdma_v4_0_process_trap_irq(struct amdgpu_d= evice *adev, struct amdgpu_irq_src *source, struct amdgpu_iv_entry *entry) { - uint32_t instance; + int instance; DRM_DEBUG("IH: SDMA trap\n"); instance =3D sdma_v4_0_irq_id_to_seq(entry->client_id); -- 2.43.0