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 409A3200A6 for ; Fri, 21 Jul 2023 19:05:24 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B3638C433C8; Fri, 21 Jul 2023 19:05:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1689966324; bh=zgeZaabOBHeeKJZ8I+zbXMnyCKgbbvA+KKhcsY53BS0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=t20+VEy7enZGL2F3yoa0dxox0c8ToHznn743ZmoygKpFozufnhGjKNm5RfvOq/siQ UHyhyZAusvfgh2nUps3HhGEXkSTg3XFhFSqBQlX3otKWh/6dl4W7e9AcSwlfxAm5i+ Ga6IsMQkZy4QISevmDTzsxK29Z9Sw+jbu1kRQLNw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Amelie Delaunay , Lee Jones , Sasha Levin Subject: [PATCH 5.15 303/532] mfd: stmfx: Nullify stmfx->vdd in case of error Date: Fri, 21 Jul 2023 18:03:27 +0200 Message-ID: <20230721160630.839060205@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230721160614.695323302@linuxfoundation.org> References: <20230721160614.695323302@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: Amelie Delaunay [ Upstream commit 7c81582c0bccb4757186176f0ee12834597066ad ] Nullify stmfx->vdd in case devm_regulator_get_optional() returns an error. And simplify code by returning an error only if return code is not -ENODEV, which means there is no vdd regulator and it is not an issue. Fixes: d75846ed08e6 ("mfd: stmfx: Fix dev_err_probe() call in stmfx_chip_init()") Signed-off-by: Amelie Delaunay Link: https://lore.kernel.org/r/20230609092804.793100-2-amelie.delaunay@foss.st.com Signed-off-by: Lee Jones Signed-off-by: Sasha Levin --- drivers/mfd/stmfx.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/mfd/stmfx.c b/drivers/mfd/stmfx.c index 6e1629beb8094..9852f49c3f881 100644 --- a/drivers/mfd/stmfx.c +++ b/drivers/mfd/stmfx.c @@ -330,9 +330,8 @@ static int stmfx_chip_init(struct i2c_client *client) stmfx->vdd = devm_regulator_get_optional(&client->dev, "vdd"); ret = PTR_ERR_OR_ZERO(stmfx->vdd); if (ret) { - if (ret == -ENODEV) - stmfx->vdd = NULL; - else + stmfx->vdd = NULL; + if (ret != -ENODEV) return dev_err_probe(&client->dev, ret, "Failed to get VDD regulator\n"); } -- 2.39.2