Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next

Alexei Starovoitov says:

====================
pull-request: bpf-next 2021-12-30

The following pull-request contains BPF updates for your *net-next* tree.

We've added 72 non-merge commits during the last 20 day(s) which contain
a total of 223 files changed, 3510 insertions(+), 1591 deletions(-).

The main changes are:

1) Automatic setrlimit in libbpf when bpf is memcg's in the kernel, from Andrii.

2) Beautify and de-verbose verifier logs, from Christy.

3) Composable verifier types, from Hao.

4) bpf_strncmp helper, from Hou.

5) bpf.h header dependency cleanup, from Jakub.

6) get_func_[arg|ret|arg_cnt] helpers, from Jiri.

7) Sleepable local storage, from KP.

8) Extend kfunc with PTR_TO_CTX, PTR_TO_MEM argument support, from Kumar.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 20 insertions, 3 deletions

diff --git a/samples/bpf/hbm.c b/samples/bpf/hbm.c
index b0c18efe7928..1fe5bcafb3bc 100644
--- a/samples/bpf/hbm.c
+++ b/samples/bpf/hbm.c
@@ -120,6 +120,9 @@ static void do_error(char *msg, bool errno_flag)
 
 static int prog_load(char *prog)
 {
+	struct bpf_program *pos;
+	const char *sec_name;
+
 	obj = bpf_object__open_file(prog, NULL);
 	if (libbpf_get_error(obj)) {
 		printf("ERROR: opening BPF object file failed\n");
@@ -132,7 +135,13 @@ static int prog_load(char *prog)
 		goto err;
 	}
 
-	bpf_prog = bpf_object__find_program_by_title(obj, "cgroup_skb/egress");
+	bpf_object__for_each_program(pos, obj) {
+		sec_name = bpf_program__section_name(pos);
+		if (sec_name && !strcmp(sec_name, "cgroup_skb/egress")) {
+			bpf_prog = pos;
+			break;
+		}
+	}
 	if (!bpf_prog) {
 		printf("ERROR: finding a prog in obj file failed\n");
 		goto err;
diff --git a/samples/bpf/xdp_fwd_user.c b/samples/bpf/xdp_fwd_user.c
index 00061261a8da..4ad896782f77 100644
--- a/samples/bpf/xdp_fwd_user.c
+++ b/samples/bpf/xdp_fwd_user.c
@@ -79,7 +79,9 @@ int main(int argc, char **argv)
 		.prog_type	= BPF_PROG_TYPE_XDP,
 	};
 	const char *prog_name = "xdp_fwd";
-	struct bpf_program *prog;
+	struct bpf_program *prog = NULL;
+	struct bpf_program *pos;
+	const char *sec_name;
 	int prog_fd, map_fd = -1;
 	char filename[PATH_MAX];
 	struct bpf_object *obj;
@@ -134,7 +136,13 @@ int main(int argc, char **argv)
 			return 1;
 		}
 
-		prog = bpf_object__find_program_by_title(obj, prog_name);
+		bpf_object__for_each_program(pos, obj) {
+			sec_name = bpf_program__section_name(pos);
+			if (sec_name && !strcmp(sec_name, prog_name)) {
+				prog = pos;
+				break;
+			}
+		}
 		prog_fd = bpf_program__fd(prog);
 		if (prog_fd < 0) {
 			printf("program not found: %s\n", strerror(prog_fd));