A NULL dereference would occur when trying to delete an addres from a
network device that does not have any Phonet address.
Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
---
net/phonet/pn_dev.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/net/phonet/pn_dev.c b/net/phonet/pn_dev.c
index 53be9fc..f93ff8e 100644
--- a/net/phonet/pn_dev.c
+++ b/net/phonet/pn_dev.c
@@ -115,7 +115,7 @@ int phonet_address_del(struct net_device *dev, u8 addr)
pnd = __phonet_get(dev);
if (!pnd || !test_and_clear_bit(addr >> 2, pnd->addrs))
err = -EADDRNOTAVAIL;
- if (bitmap_empty(pnd->addrs, 64))
+ else if (bitmap_empty(pnd->addrs, 64))
__phonet_device_free(pnd);
spin_unlock_bh(&pndevs.lock);
return err;
--
1.5.4.3
--
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