[ Upstream commit 2795e8c251614ac0784c9d41008551109f665716 ]
In case alloc_ordered_workqueue fails, the fix releases sources and returns -ENOMEM to avoid NULL pointer dereference.
Signed-off-by: Kangjie Lu kjlu@umn.edu Acked-by: Michael Hennerich michael.hennerich@analog.com Signed-off-by: Stefan Schmidt stefan@datenfreihafen.org Signed-off-by: Sasha Levin (Microsoft) sashal@kernel.org --- drivers/net/ieee802154/adf7242.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/net/ieee802154/adf7242.c b/drivers/net/ieee802154/adf7242.c index cd1d8faccca5..cd6b95e673a5 100644 --- a/drivers/net/ieee802154/adf7242.c +++ b/drivers/net/ieee802154/adf7242.c @@ -1268,6 +1268,10 @@ static int adf7242_probe(struct spi_device *spi) INIT_DELAYED_WORK(&lp->work, adf7242_rx_cal_work); lp->wqueue = alloc_ordered_workqueue(dev_name(&spi->dev), WQ_MEM_RECLAIM); + if (unlikely(!lp->wqueue)) { + ret = -ENOMEM; + goto err_hw_init; + }
ret = adf7242_hw_init(lp); if (ret)