diff options
Diffstat (limited to 'tools/lib/bpf/elf.c')
| -rw-r--r-- | tools/lib/bpf/elf.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/tools/lib/bpf/elf.c b/tools/lib/bpf/elf.c index 2a158e8a8b7c..2a62bf411bb3 100644 --- a/tools/lib/bpf/elf.c +++ b/tools/lib/bpf/elf.c @@ -141,14 +141,15 @@ static int elf_sym_iter_new(struct elf_sym_iter *iter, iter->versyms = elf_getdata(scn, 0); scn = elf_find_next_scn_by_type(elf, SHT_GNU_verdef, NULL); - if (!scn) { - pr_debug("elf: failed to find verdef ELF sections in '%s'\n", binary_path); - return -ENOENT; - } - if (!gelf_getshdr(scn, &sh)) + if (!scn) + return 0; + + iter->verdefs = elf_getdata(scn, 0); + if (!iter->verdefs || !gelf_getshdr(scn, &sh)) { + pr_warn("elf: failed to get verdef ELF section in '%s'\n", binary_path); return -EINVAL; + } iter->verdef_strtabidx = sh.sh_link; - iter->verdefs = elf_getdata(scn, 0); return 0; } @@ -199,6 +200,9 @@ static const char *elf_get_vername(struct elf_sym_iter *iter, int ver) GElf_Verdef verdef; int offset; + if (!iter->verdefs) + return NULL; + offset = 0; while (gelf_getverdef(iter->verdefs, offset, &verdef)) { if (verdef.vd_ndx != ver) { |