From: Andrii Nakryiko <andriin@fb.com>
Date: Wed, 29 May 2019 17:36:07 +0000 (-0700)
Subject: libbpf: fix error code returned on corrupted ELF
X-Git-Tag: v5.4-rc1~616^2~371^2~8
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f102154d3158c8fe9713f03bd3492f9cb8409a5e;p=platform%2Fkernel%2Flinux-rpi.git

libbpf: fix error code returned on corrupted ELF

All of libbpf errors are negative, except this one. Fix it.

Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
---

diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 60ec969..9f42120 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -1221,7 +1221,7 @@ static int bpf_object__elf_collect(struct bpf_object *obj, int flags)
 
 	if (!obj->efile.strtabidx || obj->efile.strtabidx >= idx) {
 		pr_warning("Corrupted ELF file: index of strtab invalid\n");
-		return LIBBPF_ERRNO__FORMAT;
+		return -LIBBPF_ERRNO__FORMAT;
 	}
 	if (btf_data) {
 		obj->btf = btf__new(btf_data->d_buf, btf_data->d_size);