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authorGreg Kroah-Hartman2018-07-16 09:09:24 +0200
committerGreg Kroah-Hartman2018-07-16 09:09:24 +0200
commit500f0716b5f7fd6b0ff3d045588c7588ce2eee1d (patch)
tree05cfa2e77069af443f06bcfbf327f9aa2050eec7 /drivers/usb/host
parentdt-bindings: usb-xhci: Add r8a77990 support (diff)
parentLinux 4.18-rc5 (diff)
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Merge 4.18-rc5 into usb-next
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host')
-rw-r--r--drivers/usb/host/xhci-dbgcap.c12
-rw-r--r--drivers/usb/host/xhci-mem.c2
2 files changed, 9 insertions, 5 deletions
diff --git a/drivers/usb/host/xhci-dbgcap.c b/drivers/usb/host/xhci-dbgcap.c
index 73d5a0e2a225..86cff5c28eff 100644
--- a/drivers/usb/host/xhci-dbgcap.c
+++ b/drivers/usb/host/xhci-dbgcap.c
@@ -508,16 +508,18 @@ static int xhci_do_dbc_start(struct xhci_hcd *xhci)
return 0;
}
-static void xhci_do_dbc_stop(struct xhci_hcd *xhci)
+static int xhci_do_dbc_stop(struct xhci_hcd *xhci)
{
struct xhci_dbc *dbc = xhci->dbc;
if (dbc->state == DS_DISABLED)
- return;
+ return -1;
writel(0, &dbc->regs->control);
xhci_dbc_mem_cleanup(xhci);
dbc->state = DS_DISABLED;
+
+ return 0;
}
static int xhci_dbc_start(struct xhci_hcd *xhci)
@@ -544,6 +546,7 @@ static int xhci_dbc_start(struct xhci_hcd *xhci)
static void xhci_dbc_stop(struct xhci_hcd *xhci)
{
+ int ret;
unsigned long flags;
struct xhci_dbc *dbc = xhci->dbc;
struct dbc_port *port = &dbc->port;
@@ -556,10 +559,11 @@ static void xhci_dbc_stop(struct xhci_hcd *xhci)
xhci_dbc_tty_unregister_device(xhci);
spin_lock_irqsave(&dbc->lock, flags);
- xhci_do_dbc_stop(xhci);
+ ret = xhci_do_dbc_stop(xhci);
spin_unlock_irqrestore(&dbc->lock, flags);
- pm_runtime_put_sync(xhci_to_hcd(xhci)->self.controller);
+ if (!ret)
+ pm_runtime_put_sync(xhci_to_hcd(xhci)->self.controller);
}
static void
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 8a62eee9eee1..ef350c33dc4a 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -595,7 +595,7 @@ struct xhci_ring *xhci_stream_id_to_ring(
if (!ep->stream_info)
return NULL;
- if (stream_id > ep->stream_info->num_streams)
+ if (stream_id >= ep->stream_info->num_streams)
return NULL;
return ep->stream_info->stream_rings[stream_id];
}