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authorYueHaibing <yuehaibing@huawei.com>2018-10-06 02:23:01 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-10-09 16:07:55 +0200
commit24f5975f3aff03cb24026c768fdad0772304009b (patch)
tree33bcc2891d8235db3682917b56092c71d762824c /drivers/usb/early
parentf65861c645ceb59f7325f696f0e8fa195dde575d (diff)
downloadlinux-24f5975f3aff03cb24026c768fdad0772304009b.tar.bz2
usb/early: remove set but not used variable 'remain_length'
Fixes gcc '-Wunused-but-set-variable' warning: drivers/usb/early/xhci-dbc.c: In function 'xdbc_handle_tx_event': drivers/usb/early/xhci-dbc.c:720:9: warning: variable 'remain_length' set but not used [-Wunused-but-set-variable] It never be used since introduction in commit aeb9dd1de98c ("usb/early: Add driver for xhci debug capability") Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/early')
-rw-r--r--drivers/usb/early/xhci-dbc.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/usb/early/xhci-dbc.c b/drivers/usb/early/xhci-dbc.c
index e15e896f356c..165653a5e45d 100644
--- a/drivers/usb/early/xhci-dbc.c
+++ b/drivers/usb/early/xhci-dbc.c
@@ -717,17 +717,14 @@ static void xdbc_handle_port_status(struct xdbc_trb *evt_trb)
static void xdbc_handle_tx_event(struct xdbc_trb *evt_trb)
{
- size_t remain_length;
u32 comp_code;
int ep_id;
comp_code = GET_COMP_CODE(le32_to_cpu(evt_trb->field[2]));
- remain_length = EVENT_TRB_LEN(le32_to_cpu(evt_trb->field[2]));
ep_id = TRB_TO_EP_ID(le32_to_cpu(evt_trb->field[3]));
switch (comp_code) {
case COMP_SUCCESS:
- remain_length = 0;
case COMP_SHORT_PACKET:
break;
case COMP_TRB_ERROR: