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| author | Tom Rini <trini@ti.com> | 2014-12-18 12:37:18 -0500 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-12-18 12:37:18 -0500 |
| commit | 7a7ffedabd29adde9cb6ebe6066256c4cf8b77af (patch) | |
| tree | 6122c4c1e597e26b0c0a3ae706086cf9c2ba880e /drivers/usb/gadget/f_thor.c | |
| parent | d8bec60c1b0de7770f9b56ad092ab9be801d99af (diff) | |
| parent | 0ff7e585df83470139739533bdbf41114f395470 (diff) | |
| download | u-boot-imx-7a7ffedabd29adde9cb6ebe6066256c4cf8b77af.zip u-boot-imx-7a7ffedabd29adde9cb6ebe6066256c4cf8b77af.tar.gz u-boot-imx-7a7ffedabd29adde9cb6ebe6066256c4cf8b77af.tar.bz2 | |
Merge branch 'master' of git://git.denx.de/u-boot-usb
Diffstat (limited to 'drivers/usb/gadget/f_thor.c')
| -rw-r--r-- | drivers/usb/gadget/f_thor.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/usb/gadget/f_thor.c b/drivers/usb/gadget/f_thor.c index 78519fa..2d0410d 100644 --- a/drivers/usb/gadget/f_thor.c +++ b/drivers/usb/gadget/f_thor.c @@ -205,12 +205,24 @@ static long long int download_head(unsigned long long total, static int download_tail(long long int left, int cnt) { - struct dfu_entity *dfu_entity = dfu_get_entity(alt_setting_num); - void *transfer_buffer = dfu_get_buf(dfu_entity); + struct dfu_entity *dfu_entity; + void *transfer_buffer; int ret; debug("%s: left: %llu cnt: %d\n", __func__, left, cnt); + dfu_entity = dfu_get_entity(alt_setting_num); + if (!dfu_entity) { + error("Alt setting: %d entity not found!\n", alt_setting_num); + return -ENOENT; + } + + transfer_buffer = dfu_get_buf(dfu_entity); + if (!transfer_buffer) { + error("Transfer buffer not allocated!"); + return -ENXIO; + } + if (left) { ret = dfu_write(dfu_entity, transfer_buffer, left, cnt++); if (ret) { |