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 2CFB815532A; Wed, 25 Sep 2024 11:49:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727264940; cv=none; b=frqFiXCmcOAORCfRe8b4eRmQLfU5ge26bT9ipX9MVAI32FGZIlM3C9gTowc26FhgSaEyPWFLA5dzyeKXJkVZJvbVkTCK3PQgOWdt7q8uyiGPK9WuviJKM+sSX11daRUd0h9mawBVG0ZXvJKsk+aYh/8ZxiPKPx68bY/K/bho9HQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727264940; c=relaxed/simple; bh=IiEJWeg9HvhsJThCecwE7574GnUAmOuksOLPKp8f/Rs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ox4N8OJpdZlZZhX1iAzYScVAdQD1RGdIoA3wx1qp5BJJnrLBTokaUUfcxphn1N1CDqO4lZA8pOiWakMQCJHz4meiQ9+5+T1TAUBtZum39xZV9k90O+c56atTF5y/PX4My5FBFWFI7/XFwubKsG8eIAEoVax79JSkWTQ4kkEHcOo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=f/s7OM8c; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="f/s7OM8c" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 15A74C4CECD; Wed, 25 Sep 2024 11:48:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1727264940; bh=IiEJWeg9HvhsJThCecwE7574GnUAmOuksOLPKp8f/Rs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=f/s7OM8cNLlN5mK/N5P6XhuBUu9yB1f37EueK36zKrSWJ6rK9crfQlnm/BLAci6hY NKd2UEXQYfbyrPp9QP6U83qrrOkZP0FUt0Q+DuhrLI4JnN9R2UrsoZc1PGrFtm9y3h Aux+eyIcOkPmE53oCkmMwDr79henoYRjcearOmzO/AueUQZt16vHRqnfMycNZ83iYd hCWhQsNVrT/A375M73jbCNLbkMGMDXWg8KTheyDHiDyRFm3EodpIxwAFB38bvKWyEH 9H2pizQviUHCV6vXzHYSXap7CHq2glGHHRI7mAwBomehV1lRIIVbayCTfq09fvnkjl LSlBpnrNhGe3g== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Chris Park , Joshua Aberback , Jerry Zuo , Daniel Wheeler , Alex Deucher , Sasha Levin , harry.wentland@amd.com, sunpeng.li@amd.com, Rodrigo.Siqueira@amd.com, christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@gmail.com, daniel@ffwll.ch, dillon.varone@amd.com, alex.hung@amd.com, aurabindo.pillai@amd.com, hamza.mahfooz@amd.com, wenjing.liu@amd.com, charlene.liu@amd.com, mario.limonciello@amd.com, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 6.11 183/244] drm/amd/display: Deallocate DML memory if allocation fails Date: Wed, 25 Sep 2024 07:26:44 -0400 Message-ID: <20240925113641.1297102-183-sashal@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240925113641.1297102-1-sashal@kernel.org> References: <20240925113641.1297102-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-stable-base: Linux 6.11 Content-Transfer-Encoding: 8bit From: Chris Park [ Upstream commit 892abca6877a96c9123bb1c010cafccdf8ca1b75 ] [Why] When DC state create DML memory allocation fails, memory is not deallocated subsequently, resulting in uninitialized structure that is not NULL. [How] Deallocate memory if DML memory allocation fails. Reviewed-by: Joshua Aberback Signed-off-by: Jerry Zuo Signed-off-by: Chris Park Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/core/dc_state.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_state.c b/drivers/gpu/drm/amd/display/dc/core/dc_state.c index e990346e51f67..665157f8d4cbe 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_state.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_state.c @@ -211,10 +211,16 @@ struct dc_state *dc_state_create(struct dc *dc, struct dc_state_create_params *p #ifdef CONFIG_DRM_AMD_DC_FP if (dc->debug.using_dml2) { dml2_opt->use_clock_dc_limits = false; - dml2_create(dc, dml2_opt, &state->bw_ctx.dml2); + if (!dml2_create(dc, dml2_opt, &state->bw_ctx.dml2)) { + dc_state_release(state); + return NULL; + } dml2_opt->use_clock_dc_limits = true; - dml2_create(dc, dml2_opt, &state->bw_ctx.dml2_dc_power_source); + if (!dml2_create(dc, dml2_opt, &state->bw_ctx.dml2_dc_power_source)) { + dc_state_release(state); + return NULL; + } } #endif -- 2.43.0