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| author | Matt Johnston <matt@codeconstruct.com.au> | 2022-04-01 10:48:42 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-04-13 20:59:16 +0200 |
| commit | 71d28e5073b817189418ddd694e35e08d1c79cf3 (patch) | |
| tree | 66a14087b0c32bc9166c1e39f007c4f56f0d47e2 /net/mctp | |
| parent | 40229b2977f1dffa75915ca0a9099427c18063a9 (diff) | |
| download | linux-stable-71d28e5073b817189418ddd694e35e08d1c79cf3.tar.gz linux-stable-71d28e5073b817189418ddd694e35e08d1c79cf3.tar.bz2 linux-stable-71d28e5073b817189418ddd694e35e08d1c79cf3.zip | |
mctp: Fix check for dev_hard_header() result
[ Upstream commit 60be976ac45137657b7b505d7e0d44d0e51accb7 ]
dev_hard_header() returns the length of the header, so
we need to test for negative errors rather than non-zero.
Fixes: 889b7da23abf ("mctp: Add initial routing framework")
Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'net/mctp')
| -rw-r--r-- | net/mctp/route.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/mctp/route.c b/net/mctp/route.c index fb1bf4ec8529..bbb13dbc9227 100644 --- a/net/mctp/route.c +++ b/net/mctp/route.c @@ -396,7 +396,7 @@ static int mctp_route_output(struct mctp_route *route, struct sk_buff *skb) rc = dev_hard_header(skb, skb->dev, ntohs(skb->protocol), daddr, skb->dev->dev_addr, skb->len); - if (rc) { + if (rc < 0) { kfree_skb(skb); return -EHOSTUNREACH; } |