diff options
author | Kangjie Lu <kjlu@umn.edu> | 2019-03-11 02:25:17 -0500 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-04 09:21:12 +0200 |
commit | 645dc42f97d85f3940275f13831c14c4f93da299 (patch) | |
tree | dcece0f66ef668b3d3541824dfe3d856fecbafa0 /drivers/net | |
parent | edb6168384083131af64ba77813c3d56cd83c082 (diff) |
net: ieee802154: fix a potential NULL pointer dereference
[ 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>
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/ieee802154/adf7242.c | 4 |
1 files changed, 4 insertions, 0 deletions
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) |