From patchwork Tue Feb 22 13:27:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 12755093 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 0D586C433FE for ; Tue, 22 Feb 2022 13:28:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232487AbiBVN3Q (ORCPT ); Tue, 22 Feb 2022 08:29:16 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56166 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232442AbiBVN3M (ORCPT ); Tue, 22 Feb 2022 08:29:12 -0500 Received: from smtp-relay-internal-1.canonical.com (smtp-relay-internal-1.canonical.com [185.125.188.123]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 59D5197B93 for ; Tue, 22 Feb 2022 05:28:46 -0800 (PST) Received: from mail-ed1-f71.google.com (mail-ed1-f71.google.com [209.85.208.71]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-internal-1.canonical.com (Postfix) with ESMTPS id F3A2E40295 for ; Tue, 22 Feb 2022 13:28:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1645536523; bh=bxf6nJLttPRsL7dBKXZgcCS/RsJRiJgMR1Ys1z/0BT0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=tTh8Riv07F9LYsXaAFEbYXP3CcUZkYpgWhnYS4IY2S06zF/rE15ubwyXmU8qMF5AF RYrPrrDShdqthzxQFtEhcyoQSJykKgImpzWTZaRK4rQozDC3jB/t/g+/W0nT2qRNqs aOzgGTLIQ5ChxtP6olGCVHF3rZYbc1r8ua4fJljOsPBINMKsNgboOCpjnsiZMnUK+y RlWYpKkGzKTr4WKvWulvUEjU9HO/rUkX9YiQe1eZ+zaVO9FWRJn3T/uSuadyp04MfN EfRlsbrvFE97kUdBbyZ4yCo6HZI/WHxrqSvWI5hTmxHc+Wc0s9zvNDB3U2+Jq+7muP XXBV/isdpBTuw== Received: by mail-ed1-f71.google.com with SMTP id g5-20020a056402090500b0040f28e1da47so11988845edz.8 for ; Tue, 22 Feb 2022 05:28:42 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=bxf6nJLttPRsL7dBKXZgcCS/RsJRiJgMR1Ys1z/0BT0=; b=7ISJGUpqOpM0ybismMyKb65RrFmLhdd+YKSMQYsR09+p5EMKBOrYhIvrCgKG+Nuei2 LmQWiDZ6qtfkVdOXayLmm4iAfLkkZe+i6datm0dntViJnV2/ZdTfemxVaxCQtZtczaTM vDK1AuATat7DiDkFcNBDzO4XThZEmLaSQqIrB7eI6lAPoyvQXengKnBXwdC6DZ4zSSCQ IHNZvPK+sEU2ob49SBetvXwBWa18vs+0/3YzSgSZ8F/GaJyfxhVGAESOQUj+biz1nIIt wbHZJqWO9VdcjJLmjs9y1oIaMfmLlTZWdUOcwA40J3pHmPdyFPJX8VuT926FRDtMj6Lw Y9FQ== X-Gm-Message-State: AOAM531Yd0UoAboOQl11e4vVjnTLBiaqXsOwgBwv4uxCDrsglw32D2Nx 6O1Zzt8wF+yGG7/2DMdoPt/IGUVHDuicDWwQJsQmDwoh5jdFxjDB/QvI7O/t5w61/gYY5FkDrC2 /XVvMmL96TgPcUvZx62ORNGIZtutOyuN/rQzryKxVXUA= X-Received: by 2002:a17:906:a08b:b0:6cf:65bc:e7de with SMTP id q11-20020a170906a08b00b006cf65bce7demr19077960ejy.220.1645536521798; Tue, 22 Feb 2022 05:28:41 -0800 (PST) X-Google-Smtp-Source: ABdhPJwUTH4XEfwD3KKh1b8myIZr/sth4y54qNnWupnWL+QunNk7jf61nPg0M2zH6cCPLQ41ESwuWQ== X-Received: by 2002:a17:906:a08b:b0:6cf:65bc:e7de with SMTP id q11-20020a170906a08b00b006cf65bce7demr19077951ejy.220.1645536521622; Tue, 22 Feb 2022 05:28:41 -0800 (PST) Received: from localhost.localdomain (xdsl-188-155-181-108.adslplus.ch. [188.155.181.108]) by smtp.gmail.com with ESMTPSA id c5sm10029875edk.43.2022.02.22.05.28.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Feb 2022 05:28:41 -0800 (PST) From: Krzysztof Kozlowski To: Abel Vesa , Michael Turquette , Stephen Boyd , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Bjorn Andersson , Mathieu Poirier , Andy Gross , Srinivas Kandagatla , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org Cc: Krzysztof Kozlowski , stable@vger.kernel.org Subject: [RFT PATCH 1/3] clk: imx: scu: fix kfree() of const memory on setting driver_override Date: Tue, 22 Feb 2022 14:27:05 +0100 Message-Id: <20220222132707.266883-2-krzysztof.kozlowski@canonical.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220222132707.266883-1-krzysztof.kozlowski@canonical.com> References: <20220222132707.266883-1-krzysztof.kozlowski@canonical.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The driver_override field from platform driver should not be initialized from const memory because the core later kfree() it, for example when driver_override is set via sysfs. Fixes: 77d8f3068c63 ("clk: imx: scu: add two cells binding support") Cc: Signed-off-by: Krzysztof Kozlowski --- drivers/clk/imx/clk-scu.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/clk/imx/clk-scu.c b/drivers/clk/imx/clk-scu.c index 083da31dc3ea..78ed40a0e3e2 100644 --- a/drivers/clk/imx/clk-scu.c +++ b/drivers/clk/imx/clk-scu.c @@ -683,7 +683,11 @@ struct clk_hw *imx_clk_scu_alloc_dev(const char *name, return ERR_PTR(ret); } - pdev->driver_override = "imx-scu-clk"; + pdev->driver_override = kstrdup("imx-scu-clk", GFP_KERNEL); + if (!pdev->driver_override) { + platform_device_put(pdev); + return ERR_PTR(-ENOMEM); + } ret = imx_clk_scu_attach_pd(&pdev->dev, rsrc_id); if (ret) From patchwork Tue Feb 22 13:27:06 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 12755094 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 E4CB3C4332F for ; Tue, 22 Feb 2022 13:28:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232442AbiBVN3R (ORCPT ); Tue, 22 Feb 2022 08:29:17 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56174 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232448AbiBVN3M (ORCPT ); Tue, 22 Feb 2022 08:29:12 -0500 Received: from smtp-relay-internal-1.canonical.com (smtp-relay-internal-1.canonical.com [185.125.188.123]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6835998595 for ; Tue, 22 Feb 2022 05:28:46 -0800 (PST) Received: from mail-ej1-f72.google.com (mail-ej1-f72.google.com [209.85.218.72]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-internal-1.canonical.com (Postfix) with ESMTPS id B8563402F6 for ; Tue, 22 Feb 2022 13:28:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1645536523; bh=6XeuQoqUzMUksn+ZuaBzNCPcuTk2LLoHTJkT0DsbDHY=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=VKZlwWJ7g99WEIyofZ1MqRBQ33PrEKi+p/W7fixuZQiEB/2X+gc7Gr1iVWam0e3WU WitLCT92mAbGqReCm8y7JpBUs6MydgHKfP42Wa0RKywCLmybZslSxnPsQnxIWqbdMS Wh2bH6R/iRuOS/f46edLeQ1SwRPr4WjRlIKwSj9k+Njfw/eMmhKurQEr8LVtP2bptT DTj7i+gBtR9MDPAmIgpM00OfYXO9DwszqnfySNSSG2kdlGbws+f0lfuukin297dUab baGeaV8BHHyE5Kz8XyC7Nvrtq2ne0jQnhlJAYDJ12SNAj7wLVDL2deWf7FjC029JJe dFlN85JCHLnvw== Received: by mail-ej1-f72.google.com with SMTP id sa22-20020a1709076d1600b006ce78cacb85so5788004ejc.2 for ; Tue, 22 Feb 2022 05:28:43 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=6XeuQoqUzMUksn+ZuaBzNCPcuTk2LLoHTJkT0DsbDHY=; b=lrwlBgF/QN3e+oyW/pGNlXOvFlj75x5KExEPYWGcf/uDZs5ZLFMT06U7YUkfiSk2ox Kg8jrWA/brsRWXCjcYW6WJhd3t8pWanJZB3s//oCcVMXY+paXTflj1z9X9PFCxlbUX7I gSVp3SlP53raUVP2KNOPiFLatfj2BQpCef5YpdoGq98tINrmQ/sB/GMmPD0Z/zlcVC3L 1jOXTC6B+pi9fd+y03muE9fzqWpmOGGteiHyZGUk6DoFJne1CUMQwk3yXOU3wWHQsTD4 jV15FEEUZwf5wIeBGTqJaNR1yronmPqIQwpU/bQt8Jk53/R0kYL3Yo7HlV8oY/zQl9RV 79/A== X-Gm-Message-State: AOAM530V7Md5bu8wcgQS975qAk6OmG1Ryb16Ks+INI2IZgOAvVkck0fv K2JZ4dqxcQng2NkN8/zkXAt0ARBc55483X2/+u1QffrKiLBsl6fDB38ir0YJe64skDp4fnL9uEt T1ZcZ9wI/YMZm0XbyAiMW8+Cl9Z3VDu9rQ6xgH8FfYeE= X-Received: by 2002:a17:906:1656:b0:6cf:571c:f91d with SMTP id n22-20020a170906165600b006cf571cf91dmr19602329ejd.377.1645536523431; Tue, 22 Feb 2022 05:28:43 -0800 (PST) X-Google-Smtp-Source: ABdhPJymWh8nTis0+whBJdlEUIaYxkLfPNPRZyT/AbiwgON8MIxb/gad15tlt22GRXjxl9FycTeAJw== X-Received: by 2002:a17:906:1656:b0:6cf:571c:f91d with SMTP id n22-20020a170906165600b006cf571cf91dmr19602313ejd.377.1645536523213; Tue, 22 Feb 2022 05:28:43 -0800 (PST) Received: from localhost.localdomain (xdsl-188-155-181-108.adslplus.ch. [188.155.181.108]) by smtp.gmail.com with ESMTPSA id c5sm10029875edk.43.2022.02.22.05.28.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Feb 2022 05:28:42 -0800 (PST) From: Krzysztof Kozlowski To: Abel Vesa , Michael Turquette , Stephen Boyd , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Bjorn Andersson , Mathieu Poirier , Andy Gross , Srinivas Kandagatla , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org Cc: Krzysztof Kozlowski , stable@vger.kernel.org Subject: [RFT PATCH 2/3] slimbus: qcom-ngd: fix kfree() of const memory on setting driver_override Date: Tue, 22 Feb 2022 14:27:06 +0100 Message-Id: <20220222132707.266883-3-krzysztof.kozlowski@canonical.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220222132707.266883-1-krzysztof.kozlowski@canonical.com> References: <20220222132707.266883-1-krzysztof.kozlowski@canonical.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The driver_override field from platform driver should not be initialized from const memory because the core later kfree() it, for example when driver_override is set via sysfs. Fixes: 917809e2280b ("slimbus: ngd: Add qcom SLIMBus NGD driver") Cc: Signed-off-by: Krzysztof Kozlowski --- drivers/slimbus/qcom-ngd-ctrl.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/slimbus/qcom-ngd-ctrl.c b/drivers/slimbus/qcom-ngd-ctrl.c index 7040293c2ee8..5987d8f8a8fd 100644 --- a/drivers/slimbus/qcom-ngd-ctrl.c +++ b/drivers/slimbus/qcom-ngd-ctrl.c @@ -1455,7 +1455,14 @@ static int of_qcom_slim_ngd_register(struct device *parent, } ngd->id = id; ngd->pdev->dev.parent = parent; - ngd->pdev->driver_override = QCOM_SLIM_NGD_DRV_NAME; + ngd->pdev->driver_override = kstrdup(QCOM_SLIM_NGD_DRV_NAME, + GFP_KERNEL); + if (!ngd->pdev->driver_override) { + platform_device_put(ngd->pdev); + kfree(ngd); + of_node_put(node); + return -ENOMEM; + } ngd->pdev->dev.of_node = node; ctrl->ngd = ngd; From patchwork Tue Feb 22 13:27:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krzysztof Kozlowski X-Patchwork-Id: 12755095 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 08FA8C433EF for ; Tue, 22 Feb 2022 13:29:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232456AbiBVN3W (ORCPT ); Tue, 22 Feb 2022 08:29:22 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56178 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232449AbiBVN3M (ORCPT ); Tue, 22 Feb 2022 08:29:12 -0500 Received: from smtp-relay-internal-0.canonical.com (smtp-relay-internal-0.canonical.com [185.125.188.122]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6980C9859F for ; Tue, 22 Feb 2022 05:28:46 -0800 (PST) Received: from mail-ed1-f72.google.com (mail-ed1-f72.google.com [209.85.208.72]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-internal-0.canonical.com (Postfix) with ESMTPS id 4D6E840017 for ; Tue, 22 Feb 2022 13:28:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1645536525; bh=4gAKTfhEbiOa5VKlvnZrWEbzuOeUPflEFSiM68fpB+I=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=dkYI8QB+a7ihANAbPp67FEFYSsTNU7f+rC+C/bV0S9rQ4WP5qUoFjkZa4gza16jvU cP0TSqxFDRjILd5ggExIYtRMR3Ql0+8HEwbIZ1ywFXs60RFnOJS02ZM4sR0QIKFWCs eaxREbZn9gis9Y/dy/BS2YQm1WOfa1Rvt0mtlUp2xc9gumju1UCnYQjVEXdLhaUrps d8RljRvvp068RxFSPE9gnoRvc00sjabOYqf+qhRBnYi2XoXnArV/RptJSxvv5UwyUF 98BKEIIjI7tXBjKm1z25FqwmTkXCkWP+v7YQUB1TAS+4ikgvkrc3se3clYy4iPeTbU 3RscVdDMUeM2g== Received: by mail-ed1-f72.google.com with SMTP id s7-20020a508dc7000000b0040f29ccd65aso11991970edh.1 for ; Tue, 22 Feb 2022 05:28:45 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=4gAKTfhEbiOa5VKlvnZrWEbzuOeUPflEFSiM68fpB+I=; b=db1ohDb2ExMYManpVNKpOt4XegyeXulZO+i/kO1/eKzrNtDTA5HmdruumHB4UQsbXT YHK0SHOgi4A3ofyy/C1Y8F1zNlkj7aaWExC0Hcgvlqh4WeHDlBvbJIgA6ycWsb9EBDwA 1rel9aMMcto/pQvU9BZRQ3Rto/6H98/Z06qpoBgiHFWLfqMMqRCEGRTD7t/YQ5wpONdv yb0hfb6Ko+Ps80dn55944+jJEqx+S1gqLBijn3HhZ6AzpheTnLYT9FUrLgBbe3cDuySv /e5AKdbUAUwVpGW6DThMtRRqyAlOdnT/pChOus0gDuirjTIEuhjkxV8tF7Jun3x1ELFB 1zSQ== X-Gm-Message-State: AOAM533MnwmZuxLhcqyg8gimGTAtyn/4puIf3k71R/GdLdB827HXzDJl zXSmtzOGdcUwVC1hvxvyRW81x4wAf4B6XmTq5wUaowvnL3aq6H/HbuL3r7DZ0sWWOxdMXo9c0j0 mU4+oZJE3+pbtxuZMVnvh4Jn5ErxmYEuk5JCeNslEKLA= X-Received: by 2002:a05:6402:50d2:b0:413:1cd8:e08e with SMTP id h18-20020a05640250d200b004131cd8e08emr4730749edb.276.1645536524864; Tue, 22 Feb 2022 05:28:44 -0800 (PST) X-Google-Smtp-Source: ABdhPJyk7fFQMdh++yZYYeqYdt0QvvL2iwrOb2soDeyOFOcCMFVM9JS2wL10Ee7DBznFmZmRSj/ibA== X-Received: by 2002:a05:6402:50d2:b0:413:1cd8:e08e with SMTP id h18-20020a05640250d200b004131cd8e08emr4730720edb.276.1645536524647; Tue, 22 Feb 2022 05:28:44 -0800 (PST) Received: from localhost.localdomain (xdsl-188-155-181-108.adslplus.ch. [188.155.181.108]) by smtp.gmail.com with ESMTPSA id c5sm10029875edk.43.2022.02.22.05.28.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Feb 2022 05:28:44 -0800 (PST) From: Krzysztof Kozlowski To: Abel Vesa , Michael Turquette , Stephen Boyd , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Bjorn Andersson , Mathieu Poirier , Andy Gross , Srinivas Kandagatla , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org Cc: Krzysztof Kozlowski , stable@vger.kernel.org Subject: [RFT PATCH 3/3] rpmsg: fix kfree() of const memory on setting driver_override Date: Tue, 22 Feb 2022 14:27:07 +0100 Message-Id: <20220222132707.266883-4-krzysztof.kozlowski@canonical.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220222132707.266883-1-krzysztof.kozlowski@canonical.com> References: <20220222132707.266883-1-krzysztof.kozlowski@canonical.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org The driver_override field from rpmsg_device should not be initialized from const memory because the core later kfree() it, for example when driver_override is set via sysfs. Fixes: 950a7388f02b ("rpmsg: Turn name service into a stand alone driver") Fixes: c0cdc19f84a4 ("rpmsg: Driver for user space endpoint interface") Cc: Signed-off-by: Krzysztof Kozlowski --- drivers/rpmsg/rpmsg_internal.h | 12 ++++++++++-- drivers/rpmsg/rpmsg_ns.c | 13 +++++++++++-- 2 files changed, 21 insertions(+), 4 deletions(-) diff --git a/drivers/rpmsg/rpmsg_internal.h b/drivers/rpmsg/rpmsg_internal.h index b1245d3ed7c6..c21e73ffbf05 100644 --- a/drivers/rpmsg/rpmsg_internal.h +++ b/drivers/rpmsg/rpmsg_internal.h @@ -92,10 +92,18 @@ int rpmsg_release_channel(struct rpmsg_device *rpdev, */ static inline int rpmsg_chrdev_register_device(struct rpmsg_device *rpdev) { + int ret; + strcpy(rpdev->id.name, "rpmsg_chrdev"); - rpdev->driver_override = "rpmsg_chrdev"; + rpdev->driver_override = kstrdup("rpmsg_chrdev", GFP_KERNEL); + if (!rpdev->driver_override) + return -ENOMEM; + + ret = rpmsg_register_device(rpdev); + if (ret) + kfree(rpdev->driver_override); - return rpmsg_register_device(rpdev); + return ret; } #endif diff --git a/drivers/rpmsg/rpmsg_ns.c b/drivers/rpmsg/rpmsg_ns.c index 762ff1ae279f..7d0605307d23 100644 --- a/drivers/rpmsg/rpmsg_ns.c +++ b/drivers/rpmsg/rpmsg_ns.c @@ -20,12 +20,21 @@ */ int rpmsg_ns_register_device(struct rpmsg_device *rpdev) { + int ret; + strcpy(rpdev->id.name, "rpmsg_ns"); - rpdev->driver_override = "rpmsg_ns"; + rpdev->driver_override = kstrdup("rpmsg_ns", GFP_KERNEL); + if (!rpdev->driver_override) + return -ENOMEM; + rpdev->src = RPMSG_NS_ADDR; rpdev->dst = RPMSG_NS_ADDR; - return rpmsg_register_device(rpdev); + ret = rpmsg_register_device(rpdev); + if (ret) + kfree(rpdev->driver_override); + + return ret; } EXPORT_SYMBOL(rpmsg_ns_register_device);