From patchwork Mon Oct 16 17:33:59 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: SF Markus Elfring X-Patchwork-Id: 826442 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3yG5Mg4qcnz9ryk for ; Tue, 17 Oct 2017 04:45:51 +1100 (AEDT) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2401:3900:2:1::3]) by lists.ozlabs.org (Postfix) with ESMTP id 3yG5Mg2JmvzDrKC for ; Tue, 17 Oct 2017 04:45:51 +1100 (AEDT) X-Original-To: linuxppc-dev@lists.ozlabs.org Delivered-To: linuxppc-dev@lists.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=users.sourceforge.net (client-ip=212.227.17.11; helo=mout.web.de; envelope-from=elfring@users.sourceforge.net; receiver=) Received: from mout.web.de (mout.web.de [212.227.17.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3yG56c1gNqzDrJT for ; Tue, 17 Oct 2017 04:34:31 +1100 (AEDT) Received: from [192.168.1.2] ([78.49.107.148]) by smtp.web.de (mrweb102 [213.165.67.124]) with ESMTPSA (Nemesis) id 0LnS4I-1darw42rr4-00hd6o; Mon, 16 Oct 2017 19:34:03 +0200 Subject: [PATCH 3/4] char/tpm: Improve a size determination in nine functions From: SF Markus Elfring To: linux-integrity@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Andy Shevchenko , Benjamin Herrenschmidt , Corentin Labbe , Jarkko Sakkinen , Jason Gunthorpe , Jerry Snitselaar , Kenneth Goldman , Michael Ellerman , Nayna Jain , Paul Mackerras , =?utf-8?q?Peter_H=C3=BCwe?= , Stefan Berger References: <1d3516a2-a8e6-9e95-d438-f115fac84c7f@users.sourceforge.net> Message-ID: <83a166af-aecc-649d-dfe3-a72245345209@users.sourceforge.net> Date: Mon, 16 Oct 2017 19:33:59 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0 MIME-Version: 1.0 In-Reply-To: <1d3516a2-a8e6-9e95-d438-f115fac84c7f@users.sourceforge.net> Content-Language: en-GB X-Provags-ID: V03:K0:AiZ9SCVWs/uYYiW7eThZa1w+bnV2nwCvSUyVJkvsDP0hrxt8nRs kPtpUMLU0PdE+KGHORcPybro3D7MQnBM3hL0wD7yzGni09ZQyb92a0ZqgVThvR8tYFxwLLH eY23Sa4b4V20A4UreNRaQ1Pfvn55OxmsmIMPGBUydjJegubVLDKOXN3hagp1Zbm/yLp5hUc WA4vg9mBRLOoAd8uonK9g== X-UI-Out-Filterresults: notjunk:1; V01:K0:WW93H3LTT80=:djWLVi8udmePSaV22nmmRT vXGfVFApRxMSC9g88fZ2B2ARdZtVt454OmtGlrb1Iq3sFnLH1O5PGqM65ByZ3dsW1PyVdqNHq oBIIMqy+GFYeAY4iriaB0vT5YTDWf4Va2Lf3N2G3EKyhTiAMauuyIEZE+0QannfF6jXPF0y99 HQABXmhHjnkd5gKknnIMSPksuCOcizj7Qry/LMH9Pj7AR9kwCrONlZ65CFN3A9STKiXD3vcZQ TYp9vh4X7taEIzKaQIdBLKwBSvXHLCEI5t+eV5JuqvO13k9ERLrh8ZwQToIdxqCicrUGFFCOT 0ONgVzkiaXuan5HS+aJj/g62R9Z3otjWKk+tc7w4neJB7N3CvHuyGVNyxpngXUno+/WmKjHCx +pjASUbr/T97Arfs8SBcubLWYl+w/0j+5cOK6X0oNvNpj/unc+RKNf3lBwVdeUJtlrHFKaw/N quyxQMHMhNfAH0LvhYIz/1DuYDhwefdyavsDkDTetgr9gjpMrgi3kIPHeZe0iTh4Y/J+bPbFN lqPM7PwlKANFNG7F6pl0Z1QC/2yx6K4oBZ/J+iIz1Ilj24ozZipslSPFDWPFYC/F1GryGKEH9 CJSGN6Jeqqw45gosCC/FnVdz4mPnpTEo0Dsz9v8shTt2FdUkLVkDYtLfcSJqRRoIsAReAE4MF MOR+blEN37bfTUqT1oJZ0/K+ATwjTFdBwq3C8xQ9QWcobI8IW+asHU92lcMTI71hrNOa5DeD2 b89j9lrLtOhbkNXIl2aKp/ORCSRXa5cUjt5IWQptJO/KAzNUnxLeEtq+VYAXQmErP0VN/ork3 pq+sFIp9zVll1PPSsj8dncUHYrUd+heQTETgRg+hXU+rV7SF4s= X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.24 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kernel-janitors@vger.kernel.org, LKML Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" From: Markus Elfring Date: Mon, 16 Oct 2017 18:28:17 +0200 Replace the specification of data structures by pointer dereferences as the parameter for the operator "sizeof" to make the corresponding size determination a bit safer according to the Linux coding style convention. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- drivers/char/tpm/st33zp24/i2c.c | 3 +-- drivers/char/tpm/st33zp24/spi.c | 3 +-- drivers/char/tpm/st33zp24/st33zp24.c | 3 +-- drivers/char/tpm/tpm_crb.c | 2 +- drivers/char/tpm/tpm_i2c_atmel.c | 2 +- drivers/char/tpm/tpm_i2c_nuvoton.c | 2 +- drivers/char/tpm/tpm_ibmvtpm.c | 2 +- drivers/char/tpm/tpm_tis.c | 2 +- drivers/char/tpm/tpm_tis_spi.c | 3 +-- 9 files changed, 9 insertions(+), 13 deletions(-) diff --git a/drivers/char/tpm/st33zp24/i2c.c b/drivers/char/tpm/st33zp24/i2c.c index be5d1abd3e8e..d0cb25688485 100644 --- a/drivers/char/tpm/st33zp24/i2c.c +++ b/drivers/char/tpm/st33zp24/i2c.c @@ -245,8 +245,7 @@ static int st33zp24_i2c_probe(struct i2c_client *client, return -ENODEV; } - phy = devm_kzalloc(&client->dev, sizeof(struct st33zp24_i2c_phy), - GFP_KERNEL); + phy = devm_kzalloc(&client->dev, sizeof(*phy), GFP_KERNEL); if (!phy) return -ENOMEM; diff --git a/drivers/char/tpm/st33zp24/spi.c b/drivers/char/tpm/st33zp24/spi.c index 0fc4f20b5f83..c952df9244c8 100644 --- a/drivers/char/tpm/st33zp24/spi.c +++ b/drivers/char/tpm/st33zp24/spi.c @@ -358,8 +358,7 @@ static int st33zp24_spi_probe(struct spi_device *dev) return -ENODEV; } - phy = devm_kzalloc(&dev->dev, sizeof(struct st33zp24_spi_phy), - GFP_KERNEL); + phy = devm_kzalloc(&dev->dev, sizeof(*phy), GFP_KERNEL); if (!phy) return -ENOMEM; diff --git a/drivers/char/tpm/st33zp24/st33zp24.c b/drivers/char/tpm/st33zp24/st33zp24.c index 4d1dc8b46877..0686a129268c 100644 --- a/drivers/char/tpm/st33zp24/st33zp24.c +++ b/drivers/char/tpm/st33zp24/st33zp24.c @@ -533,8 +533,7 @@ int st33zp24_probe(void *phy_id, const struct st33zp24_phy_ops *ops, if (IS_ERR(chip)) return PTR_ERR(chip); - tpm_dev = devm_kzalloc(dev, sizeof(struct st33zp24_dev), - GFP_KERNEL); + tpm_dev = devm_kzalloc(dev, sizeof(*tpm_dev), GFP_KERNEL); if (!tpm_dev) return -ENOMEM; diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c index 7b3c2a8aa9de..343c46e8560f 100644 --- a/drivers/char/tpm/tpm_crb.c +++ b/drivers/char/tpm/tpm_crb.c @@ -557,7 +557,7 @@ static int crb_acpi_add(struct acpi_device *device) if (sm == ACPI_TPM2_MEMORY_MAPPED) return -ENODEV; - priv = devm_kzalloc(dev, sizeof(struct crb_priv), GFP_KERNEL); + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; diff --git a/drivers/char/tpm/tpm_i2c_atmel.c b/drivers/char/tpm/tpm_i2c_atmel.c index 95ce2e9ccdc6..2d0df930a76d 100644 --- a/drivers/char/tpm/tpm_i2c_atmel.c +++ b/drivers/char/tpm/tpm_i2c_atmel.c @@ -165,7 +165,7 @@ static int i2c_atmel_probe(struct i2c_client *client, if (IS_ERR(chip)) return PTR_ERR(chip); - priv = devm_kzalloc(dev, sizeof(struct priv_data), GFP_KERNEL); + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; diff --git a/drivers/char/tpm/tpm_i2c_nuvoton.c b/drivers/char/tpm/tpm_i2c_nuvoton.c index c6428771841f..5983d52eb6d9 100644 --- a/drivers/char/tpm/tpm_i2c_nuvoton.c +++ b/drivers/char/tpm/tpm_i2c_nuvoton.c @@ -551,7 +551,7 @@ static int i2c_nuvoton_probe(struct i2c_client *client, if (IS_ERR(chip)) return PTR_ERR(chip); - priv = devm_kzalloc(dev, sizeof(struct priv_data), GFP_KERNEL); + priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; diff --git a/drivers/char/tpm/tpm_ibmvtpm.c b/drivers/char/tpm/tpm_ibmvtpm.c index b18148ef2612..a4b462a77b99 100644 --- a/drivers/char/tpm/tpm_ibmvtpm.c +++ b/drivers/char/tpm/tpm_ibmvtpm.c @@ -608,7 +608,7 @@ static int tpm_ibmvtpm_probe(struct vio_dev *vio_dev, if (IS_ERR(chip)) return PTR_ERR(chip); - ibmvtpm = kzalloc(sizeof(struct ibmvtpm_dev), GFP_KERNEL); + ibmvtpm = kzalloc(sizeof(*ibmvtpm), GFP_KERNEL); if (!ibmvtpm) goto cleanup; diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c index ebd0e75a3e4d..0a3af60bab2a 100644 --- a/drivers/char/tpm/tpm_tis.c +++ b/drivers/char/tpm/tpm_tis.c @@ -294,7 +294,7 @@ static int tpm_tis_init(struct device *dev, struct tpm_info *tpm_info) if (rc) return rc; - phy = devm_kzalloc(dev, sizeof(struct tpm_tis_tcg_phy), GFP_KERNEL); + phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL); if (phy == NULL) return -ENOMEM; diff --git a/drivers/char/tpm/tpm_tis_spi.c b/drivers/char/tpm/tpm_tis_spi.c index 424ff2fde1f2..7cabb12d0b3a 100644 --- a/drivers/char/tpm/tpm_tis_spi.c +++ b/drivers/char/tpm/tpm_tis_spi.c @@ -200,8 +200,7 @@ static int tpm_tis_spi_probe(struct spi_device *dev) { struct tpm_tis_spi_phy *phy; - phy = devm_kzalloc(&dev->dev, sizeof(struct tpm_tis_spi_phy), - GFP_KERNEL); + phy = devm_kzalloc(&dev->dev, sizeof(*phy), GFP_KERNEL); if (!phy) return -ENOMEM;