* [PATCH bpf-next v3 7/8] bpf: Replace __diag_ignore with unified __diag_ignore_all
[not found] <20220304000508.2904128-1-memxor@gmail.com>
@ 2022-03-04 0:05 ` Kumar Kartikeya Dwivedi
0 siblings, 0 replies; only message in thread
From: Kumar Kartikeya Dwivedi @ 2022-03-04 0:05 UTC (permalink / raw)
To: bpf; +Cc: Alexei Starovoitov, Daniel Borkmann, Andrii Nakryiko,
netfilter-devel
Currently, -Wmissing-prototypes warning is ignored for GCC, but not
clang. This leads to clang build warning in W=1 mode. Since the flag
used by both compilers is same, we can use the unified __diag_ignore_all
macro that works for all supported versions and compilers which have
__diag macro support (currently GCC >= 8.0, and Clang >= 11.0).
Also add nf_conntrack_bpf.h include to prevent missing prototype warning
for register_nf_conntrack_bpf.
Cc: netfilter-devel@vger.kernel.org
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
---
net/bpf/test_run.c | 4 ++--
net/netfilter/nf_conntrack_bpf.c | 5 +++--
2 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/net/bpf/test_run.c b/net/bpf/test_run.c
index eb129e48f90b..fcc83017cd03 100644
--- a/net/bpf/test_run.c
+++ b/net/bpf/test_run.c
@@ -201,8 +201,8 @@ static int bpf_test_finish(const union bpf_attr *kattr,
* future.
*/
__diag_push();
-__diag_ignore(GCC, 8, "-Wmissing-prototypes",
- "Global functions as their definitions will be in vmlinux BTF");
+__diag_ignore_all("-Wmissing-prototypes",
+ "Global functions as their definitions will be in vmlinux BTF");
int noinline bpf_fentry_test1(int a)
{
return a + 1;
diff --git a/net/netfilter/nf_conntrack_bpf.c b/net/netfilter/nf_conntrack_bpf.c
index 8ad3f52579f3..fe98673dd5ac 100644
--- a/net/netfilter/nf_conntrack_bpf.c
+++ b/net/netfilter/nf_conntrack_bpf.c
@@ -12,6 +12,7 @@
#include <linux/btf_ids.h>
#include <linux/net_namespace.h>
#include <net/netfilter/nf_conntrack.h>
+#include <net/netfilter/nf_conntrack_bpf.h>
#include <net/netfilter/nf_conntrack_core.h>
/* bpf_ct_opts - Options for CT lookup helpers
@@ -102,8 +103,8 @@ static struct nf_conn *__bpf_nf_ct_lookup(struct net *net,
}
__diag_push();
-__diag_ignore(GCC, 8, "-Wmissing-prototypes",
- "Global functions as their definitions will be in nf_conntrack BTF");
+__diag_ignore_all("-Wmissing-prototypes",
+ "Global functions as their definitions will be in nf_conntrack BTF");
/* bpf_xdp_ct_lookup - Lookup CT entry for the given tuple, and acquire a
* reference to it
--
2.35.1
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