diff mbox series

[v3,1/6] HID: logitech-hidpp: Simplify array length check

Message ID 20230302105555.51417-1-hadess@hadess.net (mailing list archive)
State Mainlined
Commit e0138763be2d8bcc181c2f6110ef0f66979f1ce4
Delegated to: Jiri Kosina
Headers show
Series [v3,1/6] HID: logitech-hidpp: Simplify array length check | expand

Commit Message

Bastien Nocera March 2, 2023, 10:55 a.m. UTC
Use the compiler to force a 100-length array, rather than check the
length after the fact.

Signed-off-by: Bastien Nocera <hadess@hadess.net>
---
New in v2, following a review comment in the 1f20 enablement patch.
No changes in v3.

 drivers/hid/hid-logitech-hidpp.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Comments

Greg KH March 9, 2023, 2:18 p.m. UTC | #1
On Thu, Mar 02, 2023 at 11:55:50AM +0100, Bastien Nocera wrote:
> Use the compiler to force a 100-length array, rather than check the
> length after the fact.
> 
> Signed-off-by: Bastien Nocera <hadess@hadess.net>
> ---
> New in v2, following a review comment in the 1f20 enablement patch.
> No changes in v3.
> 
>  drivers/hid/hid-logitech-hidpp.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)

These all look good to me, and probably should go through the HID tree,
so I've acked the USB-specific ones to allow that.

thanks,

greg k-h
Benjamin Tissoires April 3, 2023, 1:33 p.m. UTC | #2
On Thu, 02 Mar 2023 11:55:50 +0100, Bastien Nocera wrote:
> Use the compiler to force a 100-length array, rather than check the
> length after the fact.
> 
> 

Applied to https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git (for-6.4/logitech-hidpp), thanks!

[1/6] HID: logitech-hidpp: Simplify array length check
      https://git.kernel.org/hid/hid/c/e0138763be2d
[2/6] HID: logitech-hidpp: Add support for ADC measurement feature
      https://git.kernel.org/hid/hid/c/c361982a13c9
[3/6] HID: logitech-hidpp: Add Logitech G935 headset
      https://git.kernel.org/hid/hid/c/4a1529f44e32
[4/6] USB: core: Add wireless_status sysfs attribute
      https://git.kernel.org/hid/hid/c/f98e0640c5c6
[5/6] USB: core: Add API to change the wireless_status
      https://git.kernel.org/hid/hid/c/0a4db185f078
[6/6] HID: logitech-hidpp: Set wireless_status for G935 receiver
      https://git.kernel.org/hid/hid/c/d9d5623f37c0

Cheers,
diff mbox series

Patch

diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c
index ff1fcebf2ec7..f55b2233dbea 100644
--- a/drivers/hid/hid-logitech-hidpp.c
+++ b/drivers/hid/hid-logitech-hidpp.c
@@ -1356,7 +1356,7 @@  static int hidpp20_map_battery_capacity(struct hid_device *hid_dev, int voltage)
 	 * there are a few devices that use different battery technology.
 	 */
 
-	static const int voltages[] = {
+	static const int voltages[100] = {
 		4186, 4156, 4143, 4133, 4122, 4113, 4103, 4094, 4086, 4075,
 		4067, 4059, 4051, 4043, 4035, 4027, 4019, 4011, 4003, 3997,
 		3989, 3983, 3976, 3969, 3961, 3955, 3949, 3942, 3935, 3929,
@@ -1371,8 +1371,6 @@  static int hidpp20_map_battery_capacity(struct hid_device *hid_dev, int voltage)
 
 	int i;
 
-	BUILD_BUG_ON(ARRAY_SIZE(voltages) != 100);
-
 	if (unlikely(voltage < 3500 || voltage >= 5000))
 		hid_warn_once(hid_dev,
 			      "%s: possibly using the wrong voltage curve\n",