linux-kernel - [PATCH -next] tpm: Use kzalloc for allocating only one thing

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Message-ID: <20201229135154.23648-1-zhengyongjun3@huawei.com>
Date:   Tue, 29 Dec 2020 21:51:54 +0800
From:   Zheng Yongjun <zhengyongjun3@...wei.com>
To:     <peterhuewe@....de>, <jarkko@...nel.org>,
        <linux-integrity@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     <jgg@...pe.ca>, Zheng Yongjun <zhengyongjun3@...wei.com>
Subject: [PATCH -next] tpm: Use kzalloc for allocating only one thing

Use kzalloc rather than kcalloc(1,...)

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@@
@@

- kcalloc(1,
+ kzalloc(
          ...)
// </smpl>

Signed-off-by: Zheng Yongjun <zhengyongjun3@...wei.com>
---
 drivers/char/tpm/tpm1-cmd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/tpm/tpm1-cmd.c b/drivers/char/tpm/tpm1-cmd.c
index ca7158fa6e6c..4d8415e3b778 100644
--- a/drivers/char/tpm/tpm1-cmd.c
+++ b/drivers/char/tpm/tpm1-cmd.c
@@ -794,7 +794,7 @@ int tpm1_pm_suspend(struct tpm_chip *chip, u32 tpm_suspend_pcr)
  */
 int tpm1_get_pcr_allocation(struct tpm_chip *chip)
 {
-	chip->allocated_banks = kcalloc(1, sizeof(*chip->allocated_banks),
+	chip->allocated_banks = kzalloc(sizeof(*chip->allocated_banks),
 					GFP_KERNEL);
 	if (!chip->allocated_banks)
 		return -ENOMEM;
-- 
2.22.0