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SubjectRe: [PATCH 5/5] Bluetooth: btmrvl: Use common error handling code in btmrvl_sdio_download_fw_w_helper()
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>> Add a jump target so that the setting of a specific error code is stored
>> only once at the end of this function.
>>
>> Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
>> ---
>> drivers/bluetooth/btmrvl_sdio.c | 13 +++++++------
>> 1 file changed, 7 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c
>> index 05c78fcc13ff..24ed62fe2aeb 100644
>> --- a/drivers/bluetooth/btmrvl_sdio.c
>> +++ b/drivers/bluetooth/btmrvl_sdio.c
>> @@ -601,8 +601,7 @@ static int btmrvl_sdio_download_fw_w_helper(struct btmrvl_sdio_card *card)
>> " base0 = 0x%04X(%d)."
>> " Terminating download",
>> base0, base0);
>> - ret = -EIO;
>> - goto done;
>> + goto e_io;
>> }
>> base1 = sdio_readb(card->func,
>> card->reg->sq_read_base_addr_a1, &ret);
>> @@ -611,8 +610,7 @@ static int btmrvl_sdio_download_fw_w_helper(struct btmrvl_sdio_card *card)
>> " base1 = 0x%04X(%d)."
>> " Terminating download",
>> base1, base1);
>> - ret = -EIO;
>> - goto done;
>> + goto e_io;
>> }
>>
>> len = (((u16) base1) << 8) | base0;
>> @@ -638,8 +636,7 @@ static int btmrvl_sdio_download_fw_w_helper(struct btmrvl_sdio_card *card)
>> if (count > MAX_WRITE_IOMEM_RETRY) {
>> BT_ERR("FW download failure @%d, "
>> "over max retry count", offset);
>> - ret = -EIO;
>> - goto done;
>> + goto e_io;
>> }
>> BT_ERR("FW CRC error indicated by the helper: "
>> "len = 0x%04X, txlen = %d", len, txlen);
>> @@ -681,6 +678,10 @@ static int btmrvl_sdio_download_fw_w_helper(struct btmrvl_sdio_card *card)
>> kfree(tmpfwbuf);
>> release_firmware(fw_firmware);
>> return ret;
>> +
>> +e_io:
>> + ret = -EIO;
>> + goto done;
>> }
>
> I am not applying this one. I see zero benefit in this change.

Would you care for a bit of object code reduction in this function implementation.


> It is not even saving a single line since it actually is more code.

Should I fiddle with any other source code layout?

Do you find an extra blank line inappropriate before the added jump target
in this use case?

Regards,
Markus

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