Bluetooth: btusb: Fix incorrect type in qca_device_info

While qca_device_info is not coming from outside communication,
no reason to use specific endian type inside and fix the wrong
version comparison on big-endian platform.

Signed-off-by: Ben Young Tae Kim <ytkim@qca.qualcomm.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 08330548f7fe08a090df7f50e750b26432c2154d..c34a875aaf60b68d65bff8041a9a64e74a7b3742 100644 (file)
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -2667,10 +2667,10 @@ struct qca_rampatch_version {
 } __packed;
 
 struct qca_device_info {
-       __le32  rom_version;
-       __u8    rampatch_hdr;   /* length of header in rampatch */
-       __u8    nvm_hdr;        /* length of header in NVM */
-       __u8    ver_offset;     /* offset of version structure in rampatch */
+       u32     rom_version;
+       u8      rampatch_hdr;   /* length of header in rampatch */
+       u8      nvm_hdr;        /* length of header in NVM */
+       u8      ver_offset;     /* offset of version structure in rampatch */
 };
 
 static const struct qca_device_info qca_devices_table[] = {
@@ -2782,11 +2782,15 @@ static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
 {
        struct qca_rampatch_version *rver;
        const struct firmware *fw;
+       u32 ver_rom, ver_patch;
+       u16 rver_rom, rver_patch;
        char fwname[64];
        int err;
 
-       snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin",
-                le32_to_cpu(ver->rom_version));
+       ver_rom = le32_to_cpu(ver->rom_version);
+       ver_patch = le32_to_cpu(ver->patch_version);
+
+       snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom);
 
        err = request_firmware(&fw, fwname, &hdev->dev);
        if (err) {
@@ -2796,14 +2800,16 @@ static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
        }
 
        BT_INFO("%s: using rampatch file: %s", hdev->name, fwname);
+
        rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset);
+       rver_rom = le16_to_cpu(rver->rom_version);
+       rver_patch = le16_to_cpu(rver->patch_version);
+
        BT_INFO("%s: QCA: patch rome 0x%x build 0x%x, firmware rome 0x%x "
-               "build 0x%x", hdev->name, le16_to_cpu(rver->rom_version),
-               le16_to_cpu(rver->patch_version), le32_to_cpu(ver->rom_version),
-               le32_to_cpu(ver->patch_version));
+               "build 0x%x", hdev->name, rver_rom, rver_patch, ver_rom,
+               ver_patch);
 
-       if (rver->rom_version != ver->rom_version ||
-           rver->patch_version <= ver->patch_version) {
+       if (rver_rom != ver_rom || rver_patch <= ver_patch) {
                BT_ERR("%s: rampatch file version did not match with firmware",
                       hdev->name);
                err = -EINVAL;
@@ -2849,6 +2855,7 @@ static int btusb_setup_qca(struct hci_dev *hdev)
 {
        const struct qca_device_info *info = NULL;
        struct qca_version ver;
+       u32 ver_rom;
        u8 status;
        int i, err;
 
@@ -2857,13 +2864,14 @@ static int btusb_setup_qca(struct hci_dev *hdev)
        if (err < 0)
                return err;
 
+       ver_rom = le32_to_cpu(ver.rom_version);
        for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {
-               if (ver.rom_version == qca_devices_table[i].rom_version)
+               if (ver_rom == qca_devices_table[i].rom_version)
                        info = &qca_devices_table[i];
        }
        if (!info) {
                BT_ERR("%s: don't support firmware rome 0x%x", hdev->name,
-                      le32_to_cpu(ver.rom_version));
+                      ver_rom);
                return -ENODEV;
        }