This is a note to let you know that I've just added the patch titled wifi: plfxlc: check for allocation failure in plfxlc_usb_wreq_async() to the 6.7-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: wifi-plfxlc-check-for-allocation-failure-in-plfxlc_u.patch and it can be found in the queue-6.7 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 10658963ed23856d1c032359537ac46ed29e995e Author: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Date: Mon Oct 30 12:03:23 2023 +0300 wifi: plfxlc: check for allocation failure in plfxlc_usb_wreq_async() [ Upstream commit 40018a8fa9aa63ca5b26e803502138158fb0ff96 ] Check for if the usb_alloc_urb() failed. Fixes: 68d57a07bfe5 ("wireless: add plfxlc driver for pureLiFi X, XL, XC devices") Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxx> Link: https://lore.kernel.org/r/e8d4a19a-f251-4101-a89b-607345e938cb@moroto.mountain Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/net/wireless/purelifi/plfxlc/usb.c b/drivers/net/wireless/purelifi/plfxlc/usb.c index 76d0a778636a..311676c1ece0 100644 --- a/drivers/net/wireless/purelifi/plfxlc/usb.c +++ b/drivers/net/wireless/purelifi/plfxlc/usb.c @@ -493,9 +493,12 @@ int plfxlc_usb_wreq_async(struct plfxlc_usb *usb, const u8 *buffer, void *context) { struct usb_device *udev = interface_to_usbdev(usb->ez_usb); - struct urb *urb = usb_alloc_urb(0, GFP_ATOMIC); + struct urb *urb; int r; + urb = usb_alloc_urb(0, GFP_ATOMIC); + if (!urb) + return -ENOMEM; usb_fill_bulk_urb(urb, udev, usb_sndbulkpipe(udev, EP_DATA_OUT), (void *)buffer, buffer_len, complete_fn, context);