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Date:   Fri,  4 Sep 2020 15:33:13 +0900
From:   "Daniel T. Lee" <danieltimlee@...il.com>
To:     Daniel Borkmann <daniel@...earbox.net>,
        Alexei Starovoitov <ast@...nel.org>
Cc:     Andrii Nakryiko <andrii.nakryiko@...il.com>,
        netdev@...r.kernel.org, bpf@...r.kernel.org
Subject: [PATCH 1/2] samples: bpf: Replace bpf_program__title() with bpf_program__section_name()

>From commit 521095842027 ("libbpf: Deprecate notion of BPF program
"title" in favor of "section name""), the term title has been replaced
with section name in libbpf.

Since the bpf_program__title() has been deprecated, this commit
switches this function to bpf_program__section_name(). Due to
this commit, the compilation warning issue has also been resolved.

Fixes: 521095842027 ("libbpf: Deprecate notion of BPF program "title" in favor of "section name"")
Signed-off-by: Daniel T. Lee <danieltimlee@...il.com>
---
 samples/bpf/sockex3_user.c          | 6 +++---
 samples/bpf/spintest_user.c         | 6 +++---
 samples/bpf/tracex5_user.c          | 6 +++---
 samples/bpf/xdp_redirect_cpu_user.c | 2 +-
 4 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/samples/bpf/sockex3_user.c b/samples/bpf/sockex3_user.c
index 4dbee7427d47..7793f6a6ae7e 100644
--- a/samples/bpf/sockex3_user.c
+++ b/samples/bpf/sockex3_user.c
@@ -29,8 +29,8 @@ int main(int argc, char **argv)
 	struct rlimit r = {RLIM_INFINITY, RLIM_INFINITY};
 	struct bpf_program *prog;
 	struct bpf_object *obj;
+	const char *section;
 	char filename[256];
-	const char *title;
 	FILE *f;
 
 	snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]);
@@ -58,8 +58,8 @@ int main(int argc, char **argv)
 	bpf_object__for_each_program(prog, obj) {
 		fd = bpf_program__fd(prog);
 
-		title = bpf_program__title(prog, false);
-		if (sscanf(title, "socket/%d", &key) != 1) {
+		section = bpf_program__section_name(prog);
+		if (sscanf(section, "socket/%d", &key) != 1) {
 			fprintf(stderr, "ERROR: finding prog failed\n");
 			goto cleanup;
 		}
diff --git a/samples/bpf/spintest_user.c b/samples/bpf/spintest_user.c
index 847da9284fa8..f090d0dc60d6 100644
--- a/samples/bpf/spintest_user.c
+++ b/samples/bpf/spintest_user.c
@@ -17,7 +17,7 @@ int main(int ac, char **argv)
 	long key, next_key, value;
 	struct bpf_program *prog;
 	int map_fd, i, j = 0;
-	const char *title;
+	const char *section;
 	struct ksym *sym;
 
 	if (setrlimit(RLIMIT_MEMLOCK, &r)) {
@@ -51,8 +51,8 @@ int main(int ac, char **argv)
 	}
 
 	bpf_object__for_each_program(prog, obj) {
-		title = bpf_program__title(prog, false);
-		if (sscanf(title, "kprobe/%s", symbol) != 1)
+		section = bpf_program__section_name(prog);
+		if (sscanf(section, "kprobe/%s", symbol) != 1)
 			continue;
 
 		/* Attach prog only when symbol exists */
diff --git a/samples/bpf/tracex5_user.c b/samples/bpf/tracex5_user.c
index 98dad57a96c4..c17d3fb5fd64 100644
--- a/samples/bpf/tracex5_user.c
+++ b/samples/bpf/tracex5_user.c
@@ -39,8 +39,8 @@ int main(int ac, char **argv)
 	struct bpf_program *prog;
 	struct bpf_object *obj;
 	int key, fd, progs_fd;
+	const char *section;
 	char filename[256];
-	const char *title;
 	FILE *f;
 
 	setrlimit(RLIMIT_MEMLOCK, &r);
@@ -78,9 +78,9 @@ int main(int ac, char **argv)
 	}
 
 	bpf_object__for_each_program(prog, obj) {
-		title = bpf_program__title(prog, false);
+		section = bpf_program__section_name(prog);
 		/* register only syscalls to PROG_ARRAY */
-		if (sscanf(title, "kprobe/%d", &key) != 1)
+		if (sscanf(section, "kprobe/%d", &key) != 1)
 			continue;
 
 		fd = bpf_program__fd(prog);
diff --git a/samples/bpf/xdp_redirect_cpu_user.c b/samples/bpf/xdp_redirect_cpu_user.c
index 004c0622c913..3dd366e9474d 100644
--- a/samples/bpf/xdp_redirect_cpu_user.c
+++ b/samples/bpf/xdp_redirect_cpu_user.c
@@ -111,7 +111,7 @@ static void print_avail_progs(struct bpf_object *obj)
 
 	bpf_object__for_each_program(pos, obj) {
 		if (bpf_program__is_xdp(pos))
-			printf(" %s\n", bpf_program__title(pos, false));
+			printf(" %s\n", bpf_program__section_name(pos));
 	}
 }
 
-- 
2.25.1

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