Set SEL control urbs cannot be sent to a device in unconfigured state.
This patch adds a check in usb_req_set_sel() to ensure the usb device's
state is USB_STATE_CONFIGURED.
Signed-off-by: Xenia Ragiadakou <burzalod...@gmail.com>
Reported-by: Martin MOKREJS <mmokr...@gmail.com>
Suggested-by: Sarah Sharp <sarah.a.sh...@linux.intel.com>
---
Differences from v2:
-push the check on device's state down to usb_req_set_sel()
-check only that the device is in configured state
-update commit title and changelog
drivers/usb/core/hub.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index fe8d95d..cc468f8 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -3424,6 +3424,9 @@ static int usb_req_set_sel(struct usb_device *udev, enum
usb3_link_state state)
unsigned long long u2_pel;
int ret;
+ if (udev->state != USB_STATE_CONFIGURED)
+ return 0;
+
/* Convert SEL and PEL stored in ns to us */
u1_sel = DIV_ROUND_UP(udev->u1_params.sel, 1000);
u1_pel = DIV_ROUND_UP(udev->u1_params.pel, 1000);
--
1.8.3.4
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