Currently, building the bpf-next source with the CONFIG_BPF_SYSCALL
enabled is causing a compilation error:

"net/ipv4/bpf_tcp_ca.c:209:28: error: expected identifier or '(' before
',' token"

Fix this by removing an unnecessary comma.

Reported-by: syzbot+0b74d8ec3bf0cc4e4209@syzkaller.appspotmail.com
Fixes: e78aea8b2170 ("bpf: tcp: Put some tcp cong functions in allowlist for bpf-tcp-cc")
Signed-off-by: Atul Gopinathan <redacted>
---
 net/ipv4/bpf_tcp_ca.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv4/bpf_tcp_ca.c b/net/ipv4/bpf_tcp_ca.c
index 40520b77a307..12777d444d0f 100644
--- a/net/ipv4/bpf_tcp_ca.c
+++ b/net/ipv4/bpf_tcp_ca.c

@@ -202,15 +202,15 @@ BTF_ID(func, dctcp_cwnd_undo)
 BTF_ID(func, dctcp_state)
 #endif
 #if IS_BUILTIN(CONFIG_TCP_CONG_BBR)
 BTF_ID(func, bbr_init)
 BTF_ID(func, bbr_main)
 BTF_ID(func, bbr_sndbuf_expand)
 BTF_ID(func, bbr_undo_cwnd)
-BTF_ID(func, bbr_cwnd_even),
+BTF_ID(func, bbr_cwnd_even)
 BTF_ID(func, bbr_ssthresh)
 BTF_ID(func, bbr_min_tso_segs)
 BTF_ID(func, bbr_set_state)
 #endif
 BTF_SET_END(bpf_tcp_ca_kfunc_ids)
 
 static bool bpf_tcp_ca_check_kfunc_call(u32 kfunc_btf_id)

-- 
2.25.1