diff mbox series

auxdisplay: Use sizeof(*pointer) instead of sizeof(type)

Message ID AS8PR02MB7237B94B9A9F4580E79BAC0C8BFE2@AS8PR02MB7237.eurprd02.prod.outlook.com (mailing list archive)
State Mainlined
Commit 632691ad83197227adc902793a2a3e10c04fe9b8
Headers show
Series auxdisplay: Use sizeof(*pointer) instead of sizeof(type) | expand

Commit Message

Erick Archer June 2, 2024, 8:49 a.m. UTC
It is preferred to use sizeof(*pointer) instead of sizeof(type)
due to the type of the variable can change and one needs not
change the former (unlike the latter). This patch has no effect
on runtime behavior.

Signed-off-by: Erick Archer <erick.archer@outlook.com>
---
 drivers/auxdisplay/arm-charlcd.c | 2 +-
 drivers/auxdisplay/hd44780.c     | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

Comments

Geert Uytterhoeven June 3, 2024, 7:52 a.m. UTC | #1
On Sun, Jun 2, 2024 at 10:49 AM Erick Archer <erick.archer@outlook.com> wrote:
> It is preferred to use sizeof(*pointer) instead of sizeof(type)
> due to the type of the variable can change and one needs not
> change the former (unlike the latter). This patch has no effect
> on runtime behavior.
>
> Signed-off-by: Erick Archer <erick.archer@outlook.com>

Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>

Gr{oetje,eeting}s,

                        Geert
Andy Shevchenko June 3, 2024, 7:50 p.m. UTC | #2
On Mon, Jun 03, 2024 at 09:52:57AM +0200, Geert Uytterhoeven wrote:
> On Sun, Jun 2, 2024 at 10:49 AM Erick Archer <erick.archer@outlook.com> wrote:
> > It is preferred to use sizeof(*pointer) instead of sizeof(type)
> > due to the type of the variable can change and one needs not
> > change the former (unlike the latter). This patch has no effect
> > on runtime behavior.
> >
> > Signed-off-by: Erick Archer <erick.archer@outlook.com>
> 
> Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>

Pushed to my review and testing queue, thanks!
diff mbox series

Patch

diff --git a/drivers/auxdisplay/arm-charlcd.c b/drivers/auxdisplay/arm-charlcd.c
index 0b1c99cca733..a7eae99a48f7 100644
--- a/drivers/auxdisplay/arm-charlcd.c
+++ b/drivers/auxdisplay/arm-charlcd.c
@@ -270,7 +270,7 @@  static int __init charlcd_probe(struct platform_device *pdev)
 	struct charlcd *lcd;
 	struct resource *res;
 
-	lcd = kzalloc(sizeof(struct charlcd), GFP_KERNEL);
+	lcd = kzalloc(sizeof(*lcd), GFP_KERNEL);
 	if (!lcd)
 		return -ENOMEM;
 
diff --git a/drivers/auxdisplay/hd44780.c b/drivers/auxdisplay/hd44780.c
index 7ac0b1b1d548..025dc6855cb2 100644
--- a/drivers/auxdisplay/hd44780.c
+++ b/drivers/auxdisplay/hd44780.c
@@ -230,7 +230,7 @@  static int hd44780_probe(struct platform_device *pdev)
 	if (!lcd)
 		goto fail1;
 
-	hd = kzalloc(sizeof(struct hd44780), GFP_KERNEL);
+	hd = kzalloc(sizeof(*hd), GFP_KERNEL);
 	if (!hd)
 		goto fail2;