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 25A9BFBE7 for ; Mon, 15 May 2023 17:23:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7DE3AC433EF; Mon, 15 May 2023 17:23:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1684171426; bh=0agjO7V+Hiv73y0S+W+wlmT/XjpwEkQoCoLs8N0c1W8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zg0W9U0kCYUM2R35/aAJbpXVIcY4Lr5omV64H+npkTgcShRiQfZJHvS77CqPzG8bt R5JgeZ1GkXrlZ1dikxS5DWawlSSCBo7Umv+IhoSMSscDTOT9G4clsmZAlTlCXOQhWT kBxlHOr8ueuvhMLmmfzLYObHHp3+6+pZGG1QXEQg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Rob Clark , Johan Hovold , Dmitry Baryshkov Subject: [PATCH 6.2 175/242] drm/msm: fix missing wq allocation error handling Date: Mon, 15 May 2023 18:28:21 +0200 Message-Id: <20230515161727.127701540@linuxfoundation.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230515161721.802179972@linuxfoundation.org> References: <20230515161721.802179972@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Johan Hovold commit ca090c837b430752038b24e56dd182010d77f6f6 upstream. Add the missing sanity check to handle workqueue allocation failures. Fixes: c8afe684c95c ("drm/msm: basic KMS driver for snapdragon") Cc: stable@vger.kernel.org # 3.12 Cc: Rob Clark Signed-off-by: Johan Hovold Reviewed-by: Dmitry Baryshkov Patchwork: https://patchwork.freedesktop.org/patch/525102/ Link: https://lore.kernel.org/r/20230306100722.28485-8-johan+linaro@kernel.org Signed-off-by: Dmitry Baryshkov Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/msm/msm_drv.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -431,6 +431,10 @@ static int msm_drm_init(struct device *d priv->dev = ddev; priv->wq = alloc_ordered_workqueue("msm", 0); + if (!priv->wq) { + ret = -ENOMEM; + goto err_put_dev; + } INIT_LIST_HEAD(&priv->objects); mutex_init(&priv->obj_lock);