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Bluetooth: btrtl: Make array extension_sig static, shrinks object size 

Don't populate the array extension_sig on the stack but instead make it
static. Makes the object code smaller by 75 bytes:

Before:
   text	   data	    bss	    dec	    hex	filename
  14325	   4920	      0	  19245	   4b2d	drivers/bluetooth/btrtl.o

After:
   text	   data	    bss	    dec	    hex	filename
  14186	   4984	      0	  19170	   4ae2	drivers/bluetooth/btrtl.o

(gcc version 8.2.0 x86_64)

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
hifive-unleashed-5.1
Colin Ian King 2018-09-26 09:32:08 +01:00 committed by Marcel Holtmann
parent 5a637751e2
commit e5070e0719
1 changed files with 1 additions and 1 deletions
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2
drivers/bluetooth/btrtl.c
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@ -206,7 +206,7 @@ static int rtlbt_parse_firmware(struct hci_dev *hdev,
struct btrtl_device_info *btrtl_dev,
unsigned char **_buf)
{
const u8 extension_sig[] = { 0x51, 0x04, 0xfd, 0x77 };
static const u8 extension_sig[] = { 0x51, 0x04, 0xfd, 0x77 };
struct rtl_epatch_header *epatch_info;
unsigned char *buf;
int i, len;