diff options
| author |   Marek Szyprowski <m.szyprowski@samsung.com> | 2025-02-20 13:03:14 +0100 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-02-20 13:29:37 +0100 |
| commit | c783e1258f29c5caac9eea0aea6b172870f1baf8 (patch) | |
| tree | 1ec1806f48aff1ca2859a9f7c08485a60c3b268b | |
| parent | usb: typec: ucsi: increase timeout for PPM reset operations (diff) | |
| download | wireguard-linux-c783e1258f29c5caac9eea0aea6b172870f1baf8.tar.xz wireguard-linux-c783e1258f29c5caac9eea0aea6b172870f1baf8.zip | |
usb: gadget: Fix setting self-powered state on suspend
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>
| -rw-r--r-- | drivers/usb/gadget/composite.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index 1fb28bbf6c45..4bcf73bae761 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -2616,7 +2616,8 @@ void composite_suspend(struct usb_gadget *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); |