[PATCH net-next] tcp_yeah: check struct yeah size at compile time

[PATCH net-next] tcp_yeah: check struct yeah size at compile time

[Eric Dumazet]

From: Eric Dumazet <edumazet@google.com>

Compiler can perform the sanity check instead of waiting
to load the module and crash the host.

Signed-off-by: Eric Dumazet <edumazet@google.com>
---
 net/ipv4/tcp_yeah.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv4/tcp_yeah.c b/net/ipv4/tcp_yeah.c
index 3bb448761ca38ab169ebac02c5f39020e7469ba9..07c4c93b9fdb65a513d99532ed7c066cec7d89f4 100644
--- a/net/ipv4/tcp_yeah.c
+++ b/net/ipv4/tcp_yeah.c
@@ -221,7 +221,7 @@ static struct tcp_congestion_ops tcp_yeah __read_mostly = {
 
 static int __init tcp_yeah_register(void)
 {
-	BUG_ON(sizeof(struct yeah) > ICSK_CA_PRIV_SIZE);
+	BUILD_BUG_ON(sizeof(struct yeah) > ICSK_CA_PRIV_SIZE);
 	tcp_register_congestion_control(&tcp_yeah);
 	return 0;
 }
-- 
2.32.0.93.g670b81a890-goog

Re: [PATCH net-next] tcp_yeah: check struct yeah size at compile time

[patchwork-bot+netdevbpf]

Hello:

This patch was applied to netdev/net-next.git (refs/heads/master):

On Tue, 29 Jun 2021 06:52:13 -0700 you wrote:
> From: Eric Dumazet <edumazet@google.com>
> 
> Compiler can perform the sanity check instead of waiting
> to load the module and crash the host.
> 
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> 
> [...]

Here is the summary with links:
  - [net-next] tcp_yeah: check struct yeah size at compile time
    https://git.kernel.org/netdev/net-next/c/6706721d82f8

You are awesome, thank you!
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