In the IN case, since the USB request is allocated only when
the source/sink function is started and never freed, the USB ept
buffer needs to be inited only at the beginning. This change
results into a more performant g_zero module, especially when
'pattern=1' is selected.

Signed-off-by: Armando Visconti <armando.visco...@st.com>
---
 drivers/usb/gadget/f_sourcesink.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/gadget/f_sourcesink.c 
b/drivers/usb/gadget/f_sourcesink.c
index 3c126fd..534cf8c 100644
--- a/drivers/usb/gadget/f_sourcesink.c
+++ b/drivers/usb/gadget/f_sourcesink.c
@@ -536,8 +536,7 @@ static void source_sink_complete(struct usb_ep *ep, struct 
usb_request *req)
                        check_read_data(ss, req);
                        if (pattern != 2)
                                memset(req->buf, 0x55, req->length);
-               } else
-                       reinit_write_data(ep, req);
+               }
                break;
 
        /* this endpoint is normally active while we're configured */
-- 
1.7.4.4

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