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HID: asus: make array 'buf' static const

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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 <colin.king@canonical.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Colin Ian King 2018-01-06 15:50:27 +00:00 committed by Jiri Kosina
parent 183b6366cf
commit b9ec700929
1 changed files with 3 additions and 1 deletions
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4
drivers/hid/hid-asus.c
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@ -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) {