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tcp_yeah: check struct yeah size at compile time

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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>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2021-06-29 06:52:13 -07:00
committed by David S. Miller
parent ecd89c02da
commit 6706721d82
1 changed files with 1 additions and 1 deletions
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2
net/ipv4/tcp_yeah.c
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@@ -221,7 +221,7 @@ static struct tcp_congestion_ops tcp_yeah __read_mostly = {
static int __init tcp_yeah_register(void) 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); tcp_register_congestion_control(&tcp_yeah);
return 0; return 0;
} }