[PATCH] Bluetooth: btusb: remove set but not used variable in btusb_mtk_setup_firmware_79xx

[Ye Bin]

Fix follow warning:
drivers/bluetooth/btusb.c:3479:9: warning: variable ‘fw_size’ set but not used 
[-Wunused-but-set-variable]
  size_t fw_size;
         ^~~~~~~
drivers/bluetooth/btusb.c:3473:29: warning: variable ‘patchhdr’ set but not 
used [-Wunused-but-set-variable]
  struct btmtk_patch_header *patchhdr = NULL;
                             ^~~~~~~~

Reported-by: Hulk Robot <hul...@huawei.com>
Signed-off-by: Ye Bin <yebi...@huawei.com>
---
 drivers/bluetooth/btusb.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index eeafb8432c0f..9609b6cbf20f 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -3470,13 +3470,11 @@ static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev,
 static int btusb_mtk_setup_firmware_79xx(struct hci_dev *hdev, const char 
*fwname)
 {
        struct btmtk_hci_wmt_params wmt_params;
-       struct btmtk_patch_header *patchhdr = NULL;
        struct btmtk_global_desc *globaldesc = NULL;
        struct btmtk_section_map *sectionmap;
        const struct firmware *fw;
        const u8 *fw_ptr;
        const u8 *fw_bin_ptr;
-       size_t fw_size;
        int err, dlen, i, status;
        u8 flag, first_block, retry;
        u32 section_num, dl_size, section_offset;
@@ -3490,8 +3488,6 @@ static int btusb_mtk_setup_firmware_79xx(struct hci_dev 
*hdev, const char *fwnam
 
        fw_ptr = fw->data;
        fw_bin_ptr = fw_ptr;
-       fw_size = fw->size;
-       patchhdr = (struct btmtk_patch_header *)fw_ptr;
        globaldesc = (struct btmtk_global_desc *)(fw_ptr + 
MTK_FW_ROM_PATCH_HEADER_SIZE);
        section_num = globaldesc->section_num;
 
-- 
2.25.4