2018-02-02 14:22:40

by SF Markus Elfring

[permalink] [raw]
Subject: [PATCH 0/2] i2c-sh7760: Adjustments for sh7760_i2c_probe()

From: Markus Elfring <[email protected]>
Date: Fri, 2 Feb 2018 15:18:29 +0100

Two update suggestions were taken into account
from static source code analysis.

Markus Elfring (2):
Delete an error message for a failed memory allocation
Improve a size determination

drivers/i2c/busses/i2c-sh7760.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

--
2.16.1



2018-02-02 14:22:33

by SF Markus Elfring

[permalink] [raw]
Subject: [PATCH 1/2] i2c-sh7760: Delete an error message for a failed memory allocation in sh7760_i2c_probe()

From: Markus Elfring <[email protected]>
Date: Fri, 2 Feb 2018 11:46:02 +0100

Omit an extra message for a memory allocation failure in this function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <[email protected]>
---
drivers/i2c/busses/i2c-sh7760.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-sh7760.c b/drivers/i2c/busses/i2c-sh7760.c
index c2005c789d2b..4d2e4d10600b 100644
--- a/drivers/i2c/busses/i2c-sh7760.c
+++ b/drivers/i2c/busses/i2c-sh7760.c
@@ -445,7 +445,6 @@ static int sh7760_i2c_probe(struct platform_device *pdev)

id = kzalloc(sizeof(struct cami2c), GFP_KERNEL);
if (!id) {
- dev_err(&pdev->dev, "no mem for private data\n");
ret = -ENOMEM;
goto out0;
}
--
2.16.1


2018-02-02 14:23:39

by SF Markus Elfring

[permalink] [raw]
Subject: [PATCH 2/2] i2c-sh7760: Improve a size determination in sh7760_i2c_probe()

From: Markus Elfring <[email protected]>
Date: Fri, 2 Feb 2018 14:50:09 +0100

Replace the specification of a data structure by a pointer dereference
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 <[email protected]>
---
drivers/i2c/busses/i2c-sh7760.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-sh7760.c b/drivers/i2c/busses/i2c-sh7760.c
index 4d2e4d10600b..62bc23b9acbb 100644
--- a/drivers/i2c/busses/i2c-sh7760.c
+++ b/drivers/i2c/busses/i2c-sh7760.c
@@ -443,7 +443,7 @@ static int sh7760_i2c_probe(struct platform_device *pdev)
goto out0;
}

- id = kzalloc(sizeof(struct cami2c), GFP_KERNEL);
+ id = kzalloc(sizeof(*id), GFP_KERNEL);
if (!id) {
ret = -ENOMEM;
goto out0;
--
2.16.1