Commit 8983b731 authored by Andrii Nakryiko's avatar Andrii Nakryiko Committed by Alexei Starovoitov

libbpf: Fix various errors and warning reported by checkpatch.pl

Fix a bunch of warnings and errors reported by checkpatch.pl, to make it
easier to spot new problems.
Signed-off-by: default avatarAndrii Nakryiko <andriin@fb.com>
Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20191121070743.1309473-4-andriin@fb.com
parent 1f8e2bcb
......@@ -105,7 +105,7 @@ void libbpf_print(enum libbpf_print_level level, const char *format, ...)
err = action; \
if (err) \
goto out; \
} while(0)
} while (0)
/* Copied from tools/perf/util/util.h */
......@@ -965,8 +965,7 @@ static int bpf_object__init_user_maps(struct bpf_object *obj, bool strict)
obj->path, nr_maps, data->d_size);
if (!data->d_size || nr_maps == 0 || (data->d_size % nr_maps) != 0) {
pr_warn("unable to determine map definition size "
"section %s, %d maps in %zd bytes\n",
pr_warn("unable to determine map definition size section %s, %d maps in %zd bytes\n",
obj->path, nr_maps, data->d_size);
return -EINVAL;
}
......@@ -1030,12 +1029,11 @@ static int bpf_object__init_user_maps(struct bpf_object *obj, bool strict)
* incompatible.
*/
char *b;
for (b = ((char *)def) + sizeof(struct bpf_map_def);
b < ((char *)def) + map_def_sz; b++) {
if (*b != 0) {
pr_warn("maps section in %s: \"%s\" "
"has unrecognized, non-zero "
"options\n",
pr_warn("maps section in %s: \"%s\" has unrecognized, non-zero options\n",
obj->path, map_name);
if (strict)
return -EINVAL;
......@@ -1073,7 +1071,8 @@ skip_mods_and_typedefs(const struct btf *btf, __u32 id, __u32 *res_id)
*/
static bool get_map_field_int(const char *map_name, const struct btf *btf,
const struct btf_type *def,
const struct btf_member *m, __u32 *res) {
const struct btf_member *m, __u32 *res)
{
const struct btf_type *t = skip_mods_and_typedefs(btf, m->type, NULL);
const char *name = btf__name_by_offset(btf, m->name_off);
const struct btf_array *arr_info;
......@@ -1387,7 +1386,8 @@ static int bpf_object__init_user_btf_maps(struct bpf_object *obj, bool strict,
for (i = 0; i < vlen; i++) {
err = bpf_object__init_user_btf_map(obj, sec, i,
obj->efile.btf_maps_shndx,
data, strict, pin_root_path);
data, strict,
pin_root_path);
if (err)
return err;
}
......@@ -1673,12 +1673,14 @@ static int bpf_object__elf_collect(struct bpf_object *obj, bool relaxed_maps,
if (strcmp(name, ".text") == 0)
obj->efile.text_shndx = idx;
err = bpf_object__add_program(obj, data->d_buf,
data->d_size, name, idx);
data->d_size,
name, idx);
if (err) {
char errmsg[STRERR_BUFSIZE];
char *cp = libbpf_strerror_r(-err, errmsg,
sizeof(errmsg));
char *cp;
cp = libbpf_strerror_r(-err, errmsg,
sizeof(errmsg));
pr_warn("failed to alloc program %s (%s): %s",
name, obj->path, cp);
return err;
......@@ -1828,7 +1830,7 @@ static int bpf_program__record_reloc(struct bpf_program *prog,
}
if (insn->code != (BPF_LD | BPF_IMM | BPF_DW)) {
pr_warn("bpf: relocation: invalid relo for insns[%d].code 0x%x\n",
pr_warn("invalid relo for insns[%d].code 0x%x\n",
insn_idx, insn->code);
return -LIBBPF_ERRNO__RELOC;
}
......@@ -2145,7 +2147,7 @@ bpf_object__probe_global_data(struct bpf_object *obj)
static int bpf_object__probe_btf_func(struct bpf_object *obj)
{
const char strs[] = "\0int\0x\0a";
static const char strs[] = "\0int\0x\0a";
/* void x(int a) {} */
__u32 types[] = {
/* int */
......@@ -2171,7 +2173,7 @@ static int bpf_object__probe_btf_func(struct bpf_object *obj)
static int bpf_object__probe_btf_datasec(struct bpf_object *obj)
{
const char strs[] = "\0x\0.data";
static const char strs[] = "\0x\0.data";
/* static int a; */
__u32 types[] = {
/* int */
......@@ -5112,7 +5114,7 @@ int libbpf_prog_type_by_name(const char *name, enum bpf_prog_type *prog_type,
*expected_attach_type = section_names[i].expected_attach_type;
return 0;
}
pr_warn("failed to guess program type based on ELF section name '%s'\n", name);
pr_warn("failed to guess program type from ELF section '%s'\n", name);
type_names = libbpf_get_type_names(false);
if (type_names != NULL) {
pr_info("supported section(type) names are:%s\n", type_names);
......@@ -6338,7 +6340,8 @@ static struct bpf_prog_info_array_desc bpf_prog_info_array_desc[] = {
};
static __u32 bpf_prog_info_read_offset_u32(struct bpf_prog_info *info, int offset)
static __u32 bpf_prog_info_read_offset_u32(struct bpf_prog_info *info,
int offset)
{
__u32 *array = (__u32 *)info;
......@@ -6347,7 +6350,8 @@ static __u32 bpf_prog_info_read_offset_u32(struct bpf_prog_info *info, int offse
return -(int)offset;
}
static __u64 bpf_prog_info_read_offset_u64(struct bpf_prog_info *info, int offset)
static __u64 bpf_prog_info_read_offset_u64(struct bpf_prog_info *info,
int offset)
{
__u64 *array = (__u64 *)info;
......
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