Messages in this thread Patch in this message | | | From | Kangjie Lu <> | Subject | [PATCH] net: ieee802154: fix a potential NULL pointer dereference | Date | Mon, 11 Mar 2019 02:25:17 -0500 |
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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> --- 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) -- 2.17.1
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