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| author | Max Chou <max.chou@realtek.com> | 2019-09-05 13:21:57 +0800 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2019-09-05 17:27:32 +0200 |
| commit | cf0d9a705d81a0f581865cefe0880f29589dd06f (patch) | |
| tree | 91bc5a4887d722f2a846d8b9386ab6e4900ec967 /drivers/bluetooth/btrtl.c | |
| parent | 72bb169e024a20203e6044a81d5e41ae6ee0645b (diff) | |
| download | linux-cf0d9a705d81a0f581865cefe0880f29589dd06f.tar.gz linux-cf0d9a705d81a0f581865cefe0880f29589dd06f.tar.bz2 linux-cf0d9a705d81a0f581865cefe0880f29589dd06f.zip | |
Bluetooth: btrtl: Fix an issue that failing to download the FW which size is over 32K bytes
Fix the issue that when the FW size is 32K+, it will fail for the download
process because of the incorrect index.
When firmware patch length is over 32K, "dl_cmd->index" may >= 0x80. It
will be thought as "data end" that download process will not complete.
However, driver should recount the index from 1.
Signed-off-by: Max Chou <max.chou@realtek.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'drivers/bluetooth/btrtl.c')
| -rw-r--r-- | drivers/bluetooth/btrtl.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c index 0354e93e7a7c..bf3c02be6930 100644 --- a/drivers/bluetooth/btrtl.c +++ b/drivers/bluetooth/btrtl.c @@ -401,7 +401,11 @@ static int rtl_download_firmware(struct hci_dev *hdev, BT_DBG("download fw (%d/%d)", i, frag_num); - dl_cmd->index = i; + if (i > 0x7f) + dl_cmd->index = (i & 0x7f) + 1; + else + dl_cmd->index = i; + if (i == (frag_num - 1)) { dl_cmd->index |= 0x80; /* data end */ frag_len = fw_len % RTL_FRAG_LEN; |