5.4-stable review patch. If anyone has any objections, please let me know.
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From: Marek Szyprowski m.szyprowski@samsung.com
commit c783e1258f29c5caac9eea0aea6b172870f1baf8 upstream.
cdev->config might be NULL, so check it before dereferencing.
CC: stable stable@kernel.org Fixes: 40e89ff5750f ("usb: gadget: Set self-powered based on MaxPower and bmAttributes") Signed-off-by: Marek Szyprowski m.szyprowski@samsung.com Link: https://lore.kernel.org/r/20250220120314.3614330-1-m.szyprowski@samsung.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- 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);