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usb:gadget:f_thor: download_tail(): remove dfu_write with 0 size

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Since dfu_flush() can write raw data, dfu_write() with zero size
can be removed from download_tail() in thor gadget.

Signed-off-by: Przemyslaw Marczak <p.marczak@samsung.com>
Cc: Lukasz Majewski <l.majewski@samsung.com>
Cc: Heiko Schocher <hs@denx.de>
Cc: Marek Vasut <marex@denx.de>
This commit is contained in:
Przemyslaw Marczak 2014-05-12 12:05:34 +02:00 committed by Marek Vasut
parent 1aa4bdc82d
commit 584b55b072
1 changed files with 3 additions and 9 deletions
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12
drivers/usb/gadget/f_thor.c
View file

@ -219,21 +219,15 @@ static int download_tail(long long int left, int cnt)
}
/*
* To store last "packet" DFU storage backend requires dfu_write with
* size parameter equal to 0
* To store last "packet" or write file from buffer to filesystem
* DFU storage backend requires dfu_flush
*
* This also frees memory malloc'ed by dfu_get_buf(), so no explicit
* need fo call dfu_free_buf() is needed.
*/
ret = dfu_write(dfu_entity, transfer_buffer, 0, cnt);
if (ret)
error("DFU write failed [%d] cnt: %d", ret, cnt);
ret = dfu_flush(dfu_entity, transfer_buffer, 0, cnt);
if (ret) {
if (ret)
error("DFU flush failed!");
return ret;
}
return ret;
}