diff options
Diffstat (limited to 'tools/lib/bpf/elf.c')
| -rw-r--r-- | tools/lib/bpf/elf.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/tools/lib/bpf/elf.c b/tools/lib/bpf/elf.c index c92e02394159..823f83ad819c 100644 --- a/tools/lib/bpf/elf.c +++ b/tools/lib/bpf/elf.c @@ -24,10 +24,12 @@ int elf_open(const char *binary_path, struct elf_fd *elf_fd) { - char errmsg[STRERR_BUFSIZE]; int fd, ret; Elf *elf; + elf_fd->elf = NULL; + elf_fd->fd = -1; + if (elf_version(EV_CURRENT) == EV_NONE) { pr_warn("elf: failed to init libelf for %s\n", binary_path); return -LIBBPF_ERRNO__LIBELF; @@ -35,8 +37,7 @@ int elf_open(const char *binary_path, struct elf_fd *elf_fd) fd = open(binary_path, O_RDONLY | O_CLOEXEC); if (fd < 0) { ret = -errno; - pr_warn("elf: failed to open %s: %s\n", binary_path, - libbpf_strerror_r(ret, errmsg, sizeof(errmsg))); + pr_warn("elf: failed to open %s: %s\n", binary_path, errstr(ret)); return ret; } elf = elf_begin(fd, ELF_C_READ_MMAP, NULL); |