diff options
| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2025-02-20 13:03:14 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-03-13 12:53:21 +0100 |
| commit | 79d07d7f3076efb952f46fd8dd7414620f3728ec (patch) | |
| tree | d4551f13b2d7a510cf0038b1cc7d4232cfa81c92 /drivers | |
| parent | b589d499458ab638b7f38f89e5d3650a5406c2d6 (diff) | |
| download | linux-79d07d7f3076efb952f46fd8dd7414620f3728ec.tar.gz linux-79d07d7f3076efb952f46fd8dd7414620f3728ec.tar.bz2 linux-79d07d7f3076efb952f46fd8dd7414620f3728ec.zip | |
usb: gadget: Fix setting self-powered state on suspend
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>
Diffstat (limited to 'drivers')
| -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 9520e4d21542..3c62836fc336 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -2491,7 +2491,8 @@ 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); |