5.4-stable review patch. If anyone has any objections, please let me know.
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From: Malcolm Priestley tvboxspy@gmail.com
[ Upstream commit add5861769f912af0181f5fbd79dbf19c8211c20 ]
lme2510_int_read is not atomically called so use GFP_KERNEL for usb_alloc_urb and usb_submit_urb which is the first in the chain of interrupt submissions.
Signed-off-by: Malcolm Priestley tvboxspy@gmail.com Signed-off-by: Sean Young sean@mess.org Signed-off-by: Mauro Carvalho Chehab mchehab+huawei@kernel.org Stable-dep-of: a2836d3fe220 ("media: lmedm04: Handle errors for lme2510_int_read") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/media/usb/dvb-usb-v2/lmedm04.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/media/usb/dvb-usb-v2/lmedm04.c b/drivers/media/usb/dvb-usb-v2/lmedm04.c index 5ac1a6af87826..2b3b780782a40 100644 --- a/drivers/media/usb/dvb-usb-v2/lmedm04.c +++ b/drivers/media/usb/dvb-usb-v2/lmedm04.c @@ -373,7 +373,7 @@ static int lme2510_int_read(struct dvb_usb_adapter *adap) struct lme2510_state *lme_int = adap_to_priv(adap); struct usb_host_endpoint *ep;
- lme_int->lme_urb = usb_alloc_urb(0, GFP_ATOMIC); + lme_int->lme_urb = usb_alloc_urb(0, GFP_KERNEL);
if (lme_int->lme_urb == NULL) return -ENOMEM; @@ -393,7 +393,7 @@ static int lme2510_int_read(struct dvb_usb_adapter *adap) if (usb_endpoint_type(&ep->desc) == USB_ENDPOINT_XFER_BULK) lme_int->lme_urb->pipe = usb_rcvbulkpipe(d->udev, 0xa);
- usb_submit_urb(lme_int->lme_urb, GFP_ATOMIC); + usb_submit_urb(lme_int->lme_urb, GFP_KERNEL); info("INT Interrupt Service Started");
return 0;