In thor's download_tail() function, dfu_get_entity() is called
before each dfu_write() call and the returned entity pointers
are the same. So dfu_get_entity() can be called just once and
this patch changes this.

Signed-off-by: Przemyslaw Marczak <p.marc...@samsung.com>
Cc: Lukasz Majewski <l.majew...@samsung.com>
Cc: Marek Vasut <ma...@denx.de>
Cc: Heiko Schocher <h...@denx.de>
Cc: Tom Rini <tr...@ti.com>
---

Changes v2:
- separate fix and cleanup into two commits

 drivers/usb/gadget/f_thor.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/gadget/f_thor.c b/drivers/usb/gadget/f_thor.c
index f5c0224..231f9c0 100644
--- a/drivers/usb/gadget/f_thor.c
+++ b/drivers/usb/gadget/f_thor.c
@@ -204,14 +204,14 @@ 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();
        int ret;
 
        debug("%s: left: %llu cnt: %d\n", __func__, left, cnt);
 
        if (left) {
-               ret = dfu_write(dfu_get_entity(alt_setting_num),
-                               transfer_buffer, left, cnt++);
+               ret = dfu_write(dfu_entity, transfer_buffer, left, cnt++);
                if (ret) {
                        error("DFU write failed [%d]: left: %llu", ret, left);
                        return ret;
@@ -225,8 +225,7 @@ static int download_tail(long long int left, int cnt)
         * 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_get_entity(alt_setting_num),
-                       transfer_buffer, 0, cnt);
+       ret = dfu_write(dfu_entity, transfer_buffer, 0, cnt);
        if (ret)
                error("DFU write failed [%d] cnt: %d", ret, cnt);
 
-- 
1.9.1

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