From b9ec7009298ee0e163339484992252d8dff636dc Mon Sep 17 00:00:00 2001 From: Colin Ian King Date: Sat, 6 Jan 2018 15:50:27 +0000 Subject: [PATCH] HID: asus: make array 'buf' static const Don't populate the const read-only array 'buf' on the stack but instead make it static. Makes the object code smaller by 26 bytes: Before: text data bss dec hex filename 14378 2384 64 16826 41ba linux/drivers/hid/hid-asus.o After: text data bss dec hex filename 14296 2440 64 16800 41a0 linux/drivers/hid/hid-asus.o (gcc version 7.2.0 x86_64) [jkosina@suse.cz: change commit message slightly] Signed-off-by: Colin Ian King Signed-off-by: Jiri Kosina --- drivers/hid/hid-asus.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c index 88b9703318e4..d92f8aa2876b 100644 --- a/drivers/hid/hid-asus.c +++ b/drivers/hid/hid-asus.c @@ -570,7 +570,9 @@ static int asus_input_mapping(struct hid_device *hdev, static int asus_start_multitouch(struct hid_device *hdev) { int ret; - const unsigned char buf[] = { FEATURE_REPORT_ID, 0x00, 0x03, 0x01, 0x00 }; + static const unsigned char buf[] = { + FEATURE_REPORT_ID, 0x00, 0x03, 0x01, 0x00 + }; unsigned char *dmabuf = kmemdup(buf, sizeof(buf), GFP_KERNEL); if (!dmabuf) {