netdev - [PATCH bpf-next v3 03/11] bpf: fixup error message from gpl helpers on license mismatch

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Message-Id: <20180602210641.6163-4-daniel@iogearbox.net>
Date:   Sat,  2 Jun 2018 23:06:33 +0200
From:   Daniel Borkmann <daniel@...earbox.net>
To:     alexei.starovoitov@...il.com
Cc:     netdev@...r.kernel.org, Daniel Borkmann <daniel@...earbox.net>
Subject: [PATCH bpf-next v3 03/11] bpf: fixup error message from gpl helpers on license mismatch

Stating 'proprietary program' in the error is just silly since it
can also be a different open source license than that which is just
not compatible.

Reference: https://twitter.com/majek04/status/998531268039102465
Signed-off-by: Daniel Borkmann <daniel@...earbox.net>
Acked-by: Alexei Starovoitov <ast@...nel.org>
Acked-by: Jesper Dangaard Brouer <brouer@...hat.com>
Acked-by: Song Liu <songliubraving@...com>
---
 kernel/bpf/verifier.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 1fd9667b..4f4786e 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -2462,7 +2462,7 @@ static int check_helper_call(struct bpf_verifier_env *env, int func_id, int insn
 
 	/* eBPF programs must be GPL compatible to use GPL-ed functions */
 	if (!env->prog->gpl_compatible && fn->gpl_only) {
-		verbose(env, "cannot call GPL only function from proprietary program\n");
+		verbose(env, "cannot call GPL-restricted function from non-GPL compatible program\n");
 		return -EINVAL;
 	}
 
-- 
2.9.5