Thread (7 messages) 7 messages, 3 authors, 2017-11-14

[PATCH 2/2] clk/ux500: Improve a size determination in three functions

From: Ulf Hansson <hidden>
Date: 2017-09-28 16:04:23
Also in: kernel-janitors, linux-clk, lkml

On 27 September 2017 at 20:47, SF Markus Elfring
[off-list ref] wrote:
From: Markus Elfring <redacted>
Date: Wed, 27 Sep 2017 20:30:53 +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 <redacted>
Acked-by: Ulf Hansson <redacted>
quoted hunk ↗ jump to hunk
---
 drivers/clk/ux500/clk-prcc.c    | 2 +-
 drivers/clk/ux500/clk-prcmu.c   | 2 +-
 drivers/clk/ux500/clk-sysctrl.c | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/clk/ux500/clk-prcc.c b/drivers/clk/ux500/clk-prcc.c
index 5ca07e6d1f64..7cfb59c9136d 100644
--- a/drivers/clk/ux500/clk-prcc.c
+++ b/drivers/clk/ux500/clk-prcc.c
@@ -107,7 +107,7 @@ static struct clk *clk_reg_prcc(const char *name,
                return ERR_PTR(-EINVAL);
        }

-       clk = kzalloc(sizeof(struct clk_prcc), GFP_KERNEL);
+       clk = kzalloc(sizeof(*clk), GFP_KERNEL);
        if (!clk)
                return ERR_PTR(-ENOMEM);
diff --git a/drivers/clk/ux500/clk-prcmu.c b/drivers/clk/ux500/clk-prcmu.c
index c137934f23ab..9d1f2d4550ad 100644
--- a/drivers/clk/ux500/clk-prcmu.c
+++ b/drivers/clk/ux500/clk-prcmu.c
@@ -258,7 +258,7 @@ static struct clk *clk_reg_prcmu(const char *name,
                return ERR_PTR(-EINVAL);
        }

-       clk = kzalloc(sizeof(struct clk_prcmu), GFP_KERNEL);
+       clk = kzalloc(sizeof(*clk), GFP_KERNEL);
        if (!clk)
                return ERR_PTR(-ENOMEM);
diff --git a/drivers/clk/ux500/clk-sysctrl.c b/drivers/clk/ux500/clk-sysctrl.c
index e0a834c08a04..7c0403b733ae 100644
--- a/drivers/clk/ux500/clk-sysctrl.c
+++ b/drivers/clk/ux500/clk-sysctrl.c
@@ -139,7 +139,7 @@ static struct clk *clk_reg_sysctrl(struct device *dev,
                return ERR_PTR(-EINVAL);
        }

-       clk = devm_kzalloc(dev, sizeof(struct clk_sysctrl), GFP_KERNEL);
+       clk = devm_kzalloc(dev, sizeof(*clk), GFP_KERNEL);
        if (!clk)
                return ERR_PTR(-ENOMEM);

--
2.14.2


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