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wifi: plfxlc: check for allocation failure in plfxlc_usb_wreq_async()

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[ Upstream commit 40018a8fa9aa63ca5b26e803502138158fb0ff96 ]

Check for if the usb_alloc_urb() failed.

Fixes: 68d57a07bf ("wireless: add plfxlc driver for pureLiFi X, XL, XC devices")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/e8d4a19a-f251-4101-a89b-607345e938cb@moroto.mountain
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dan Carpenter 2023-10-30 12:03:23 +03:00 committed by Greg Kroah-Hartman
parent a058f0c432
commit fdd9364163
1 changed files with 4 additions and 1 deletions
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5
drivers/net/wireless/purelifi/plfxlc/usb.c
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@ -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);