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UPSTREAM: usb: dwc3: gadget: decrement trbs_left for each sg entry

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If we don't, we will overwrite valid TRBs.

Change-Id: I8076fa857b9ae016617d58836de3d9dcf5be9e4c
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Wu Liang feng <wulf@rock-chips.com>
(cherry picked from commit d6dc2e76a8)
This commit is contained in:
Felipe Balbi
2016-05-30 13:42:33 +03:00
committed by Huang, Tao
parent 796b829ebb
commit 0d92fc598c
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/dwc3/gadget.c
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@@ -924,7 +924,7 @@ static void dwc3_prepare_one_trb_sg(struct dwc3_ep *dep,
chain = false;
}
if (!trbs_left)
if (!trbs_left--)
last = true;
if (last)