diff options
| author | Florian Fainelli <f.fainelli@gmail.com> | 2017-08-21 21:59:10 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-08-22 22:40:23 +0200 |
| commit | 414e7d76af6d3ec2dd4e9079927dbe0e2e4ca914 (patch) | |
| tree | 7c311865268205bccdd49a2739a88e847effcdde | |
| parent | ipv6: add rcu grace period before freeing fib6_node (diff) | |
| download | linux-414e7d76af6d3ec2dd4e9079927dbe0e2e4ca914.tar.xz linux-414e7d76af6d3ec2dd4e9079927dbe0e2e4ca914.zip | |
net/hsr: Check skb_put_padto() return value
skb_put_padto() will free the sk_buff passed as reference in case of
errors, but we still need to check its return value and decide what to
do.
Detected by CoverityScan, CID#1416688 ("CHECKED_RETURN")
Fixes: ee1c27977284 ("net/hsr: Added support for HSR v1")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/hsr/hsr_device.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/hsr/hsr_device.c b/net/hsr/hsr_device.c index 4e7bdb213cd0..172d8309f89e 100644 --- a/net/hsr/hsr_device.c +++ b/net/hsr/hsr_device.c @@ -314,7 +314,8 @@ static void send_hsr_supervision_frame(struct hsr_port *master, hsr_sp = skb_put(skb, sizeof(struct hsr_sup_payload)); ether_addr_copy(hsr_sp->MacAddressA, master->dev->dev_addr); - skb_put_padto(skb, ETH_ZLEN + HSR_HLEN); + if (skb_put_padto(skb, ETH_ZLEN + HSR_HLEN)) + return; hsr_forward_skb(skb, master); return; |