From: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
commit c783e1258f29c5caac9eea0aea6b172870f1baf8 upstream.
cdev->config might be NULL, so check it before dereferencing.
CC: stable <stable@xxxxxxxxxx>
Fixes: 40e89ff5750f ("usb: gadget: Set self-powered based on MaxPower and bmAttributes")
Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
Link: https://lore.kernel.org/r/20250220120314.3614330-1-m.szyprowski@xxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/gadget/composite.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -2366,7 +2366,8 @@ void composite_suspend(struct usb_gadget
cdev->suspended = 1;
- if (cdev->config->bmAttributes & USB_CONFIG_ATT_SELFPOWER)
+ if (cdev->config &&
+ cdev->config->bmAttributes & USB_CONFIG_ATT_SELFPOWER)
usb_gadget_set_selfpowered(gadget);
usb_gadget_vbus_draw(gadget, 2);
Patches currently in stable-queue which might be from m.szyprowski@xxxxxxxxxxx are
queue-5.4/usb-gadget-fix-setting-self-powered-state-on-suspend.patch
