diff mbox

[v2] video: ssd1307fb: Improve a size determination in ssd1307fb_probe()

Message ID c2fc8e5c-e4d3-51da-451c-be70e0d3fef0@users.sourceforge.net (mailing list archive)
State New, archived
Headers show

Commit Message

SF Markus Elfring Jan. 7, 2018, 6:34 p.m. UTC 
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Sun, 7 Jan 2018 19:27:28 +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 <elfring@users.sourceforge.net>
---

v2:
This update suggestion was rebased on source files from the software
"Linux next-20180105".

 drivers/video/fbdev/ssd1307fb.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Comments

Bartlomiej Zolnierkiewicz March 28, 2018, 1:53 p.m. UTC | #1 
On Sunday, January 07, 2018 07:34:44 PM SF Markus Elfring wrote:
> From: Markus Elfring <elfring@users.sourceforge.net>
> Date: Sun, 7 Jan 2018 19:27:28 +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 <elfring@users.sourceforge.net>

Patch queued for 4.17, thanks.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics
diff mbox

Patch

diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
index f599520374dd..6439231f2db2 100644
--- a/drivers/video/fbdev/ssd1307fb.c
+++ b/drivers/video/fbdev/ssd1307fb.c
@@ -628,7 +628,8 @@  static int ssd1307fb_probe(struct i2c_client *client,
 		goto fb_alloc_error;
 	}
 
-	ssd1307fb_defio = devm_kzalloc(&client->dev, sizeof(struct fb_deferred_io), GFP_KERNEL);
+	ssd1307fb_defio = devm_kzalloc(&client->dev, sizeof(*ssd1307fb_defio),
+				       GFP_KERNEL);
 	if (!ssd1307fb_defio) {
 		dev_err(&client->dev, "Couldn't allocate deferred io.\n");
 		ret = -ENOMEM;