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authorMing Lei <[email protected]>2010-09-20 10:32:05 +0300
committerGreg Kroah-Hartman <[email protected]>2010-09-24 11:05:01 -0700
commitbb27bc2c1133372b54d00f3077ea4acbbf459045 (patch)
tree513f4619c3938b98b0e6ba9ad40611f7b2d0f39e
parent1018b4e44f4f191c6e3c631c4eee35d0a112d32b (diff)
usb: musb: gadget: complete request only if data is transfered over
Complete the current request only if the data transfer is over. Signed-off-by: Ming Lei <[email protected]> Cc: David Brownell <[email protected]> Cc: Anand Gadiyar <[email protected]> Cc: Mike Frysinger <[email protected]> Cc: Sergei Shtylyov <[email protected]> Signed-off-by: Felipe Balbi <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
-rw-r--r--drivers/usb/musb/musb_gadget.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index f3ee04f2e17d..fa826f9e262b 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -501,14 +501,14 @@ void musb_g_tx(struct musb *musb, u8 epnum)
request->zero = 0;
}
- /* ... or if not, then complete it. */
- musb_g_giveback(musb_ep, request, 0);
-
- request = musb_ep->desc ? next_request(musb_ep) : NULL;
- if (!request) {
- DBG(4, "%s idle now\n",
- musb_ep->end_point.name);
- return;
+ if (request->actual == request->length) {
+ musb_g_giveback(musb_ep, request, 0);
+ request = musb_ep->desc ? next_request(musb_ep) : NULL;
+ if (!request) {
+ DBG(4, "%s idle now\n",
+ musb_ep->end_point.name);
+ return;
+ }
}
}