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Diffstat (limited to 'tools/lib/bpf/linker.c')
-rw-r--r--tools/lib/bpf/linker.c22
1 files changed, 8 insertions, 14 deletions
diff --git a/tools/lib/bpf/linker.c b/tools/lib/bpf/linker.c
index cf71d149fe26..e56ba6e67451 100644
--- a/tools/lib/bpf/linker.c
+++ b/tools/lib/bpf/linker.c
@@ -566,17 +566,15 @@ static int linker_load_obj_file(struct bpf_linker *linker, const char *filename,
}
obj->elf = elf_begin(obj->fd, ELF_C_READ_MMAP, NULL);
if (!obj->elf) {
- err = -errno;
pr_warn_elf("failed to parse ELF file '%s'", filename);
- return err;
+ return -EINVAL;
}
/* Sanity check ELF file high-level properties */
ehdr = elf64_getehdr(obj->elf);
if (!ehdr) {
- err = -errno;
pr_warn_elf("failed to get ELF header for %s", filename);
- return err;
+ return -EINVAL;
}
/* Linker output endianness set by first input object */
@@ -606,9 +604,8 @@ static int linker_load_obj_file(struct bpf_linker *linker, const char *filename,
}
if (elf_getshdrstrndx(obj->elf, &obj->shstrs_sec_idx)) {
- err = -errno;
pr_warn_elf("failed to get SHSTRTAB section index for %s", filename);
- return err;
+ return -EINVAL;
}
scn = NULL;
@@ -618,26 +615,23 @@ static int linker_load_obj_file(struct bpf_linker *linker, const char *filename,
shdr = elf64_getshdr(scn);
if (!shdr) {
- err = -errno;
pr_warn_elf("failed to get section #%zu header for %s",
sec_idx, filename);
- return err;
+ return -EINVAL;
}
sec_name = elf_strptr(obj->elf, obj->shstrs_sec_idx, shdr->sh_name);
if (!sec_name) {
- err = -errno;
pr_warn_elf("failed to get section #%zu name for %s",
sec_idx, filename);
- return err;
+ return -EINVAL;
}
data = elf_getdata(scn, 0);
if (!data) {
- err = -errno;
pr_warn_elf("failed to get section #%zu (%s) data from %s",
sec_idx, sec_name, filename);
- return err;
+ return -EINVAL;
}
sec = add_src_sec(obj, sec_name);
@@ -2680,14 +2674,14 @@ int bpf_linker__finalize(struct bpf_linker *linker)
/* Finalize ELF layout */
if (elf_update(linker->elf, ELF_C_NULL) < 0) {
- err = -errno;
+ err = -EINVAL;
pr_warn_elf("failed to finalize ELF layout");
return libbpf_err(err);
}
/* Write out final ELF contents */
if (elf_update(linker->elf, ELF_C_WRITE) < 0) {
- err = -errno;
+ err = -EINVAL;
pr_warn_elf("failed to write ELF contents");
return libbpf_err(err);
}