From: "Jianxing.Wang" <wangjianxing5...@163.com>
When notebook with intel-3165-wifi suspend and resume,crash for
udev->bos is NULL.
Signed-off-by: Jianxing.Wang <wangjianxing5...@163.com>
---
drivers/usb/core/hub.c | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 5286bf6..3b5493a 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -4281,10 +4281,12 @@ static void hub_set_initial_usb2_lpm_policy(struct
usb_device *udev)
if (hub)
connect_type = hub->ports[udev->portnum - 1]->connect_type;
- if ((udev->bos->ext_cap->bmAttributes & cpu_to_le32(USB_BESL_SUPPORT))
||
- connect_type == USB_PORT_CONNECT_TYPE_HARD_WIRED) {
- udev->usb2_hw_lpm_allowed = 1;
- usb_set_usb2_hardware_lpm(udev, 1);
+ if (udev->bos != NULL) {
+ if ((udev->bos->ext_cap->bmAttributes &
cpu_to_le32(USB_BESL_SUPPORT)) ||
+ connect_type ==
USB_PORT_CONNECT_TYPE_HARD_WIRED) {
+ udev->usb2_hw_lpm_allowed = 1;
+ usb_set_usb2_hardware_lpm(udev, 1);
+ }
}
}
--
2.7.4
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