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libbpf: reduce unnecessary line wrapping 

There are a bunch of lines of code or comments that are unnecessary
wrapped into multi-lines. Fix that without violating any code
guidelines.

Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
This commit is contained in:
Andrii Nakryiko 2019-05-29 10:36:11 -07:00 committed by Daniel Borkmann
parent 76e1022b96
commit 399dc65e9c
1 changed files with 16 additions and 36 deletions
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52
tools/lib/bpf/libbpf.c
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@ -497,8 +497,7 @@ static struct bpf_object *bpf_object__new(const char *path,
strcpy(obj->path, path);
/* Using basename() GNU version which doesn't modify arg. */
strncpy(obj->name, basename((void *)path),
sizeof(obj->name) - 1);
strncpy(obj->name, basename((void *)path), sizeof(obj->name) - 1);
end = strchr(obj->name, '.');
if (end)
*end = 0;
@ -578,15 +577,13 @@ static int bpf_object__elf_init(struct bpf_object *obj)
}
if (!obj->efile.elf) {
pr_warning("failed to open %s as ELF file\n",
obj->path);
pr_warning("failed to open %s as ELF file\n", obj->path);
err = -LIBBPF_ERRNO__LIBELF;
goto errout;
}
if (!gelf_getehdr(obj->efile.elf, &obj->efile.ehdr)) {
pr_warning("failed to get EHDR from %s\n",
obj->path);
pr_warning("failed to get EHDR from %s\n", obj->path);
err = -LIBBPF_ERRNO__FORMAT;
goto errout;
}
@ -622,18 +619,15 @@ static int bpf_object__check_endianness(struct bpf_object *obj)
}
static int
bpf_object__init_license(struct bpf_object *obj,
void *data, size_t size)
bpf_object__init_license(struct bpf_object *obj, void *data, size_t size)
{
memcpy(obj->license, data,
min(size, sizeof(obj->license) - 1));
memcpy(obj->license, data, min(size, sizeof(obj->license) - 1));
pr_debug("license of %s is %s\n", obj->path, obj->license);
return 0;
}
static int
bpf_object__init_kversion(struct bpf_object *obj,
void *data, size_t size)
bpf_object__init_kversion(struct bpf_object *obj, void *data, size_t size)
{
__u32 kver;
@ -643,8 +637,7 @@ bpf_object__init_kversion(struct bpf_object *obj,
}
memcpy(&kver, data, sizeof(kver));
obj->kern_version = kver;
pr_debug("kernel version of %s is %x\n", obj->path,
obj->kern_version);
pr_debug("kernel version of %s is %x\n", obj->path, obj->kern_version);
return 0;
}
@ -800,8 +793,7 @@ bpf_object__init_internal_map(struct bpf_object *obj, struct bpf_map *map,
def->key_size = sizeof(int);
def->value_size = data->d_size;
def->max_entries = 1;
def->map_flags = type == LIBBPF_MAP_RODATA ?
BPF_F_RDONLY_PROG : 0;
def->map_flags = type == LIBBPF_MAP_RODATA ? BPF_F_RDONLY_PROG : 0;
if (data_buff) {
*data_buff = malloc(data->d_size);
if (!*data_buff) {
@ -816,8 +808,7 @@ bpf_object__init_internal_map(struct bpf_object *obj, struct bpf_map *map,
return 0;
}
static int
bpf_object__init_maps(struct bpf_object *obj, int flags)
static int bpf_object__init_maps(struct bpf_object *obj, int flags)
{
int i, map_idx, map_def_sz = 0, nr_syms, nr_maps = 0, nr_maps_glob = 0;
bool strict = !(flags & MAPS_RELAX_COMPAT);
@ -1098,8 +1089,7 @@ static int bpf_object__elf_collect(struct bpf_object *obj, int flags)
/* Elf is corrupted/truncated, avoid calling elf_strptr. */
if (!elf_rawdata(elf_getscn(elf, ep->e_shstrndx), NULL)) {
pr_warning("failed to get e_shstrndx from %s\n",
obj->path);
pr_warning("failed to get e_shstrndx from %s\n", obj->path);
return -LIBBPF_ERRNO__FORMAT;
}
@ -1340,8 +1330,7 @@ bpf_program__collect_reloc(struct bpf_program *prog, GElf_Shdr *shdr,
size_t nr_maps = obj->nr_maps;
int i, nrels;
pr_debug("collecting relocating info for: '%s'\n",
prog->section_name);
pr_debug("collecting relocating info for: '%s'\n", prog->section_name);
nrels = shdr->sh_size / shdr->sh_entsize;
prog->reloc_desc = malloc(sizeof(*prog->reloc_desc) * nrels);
@ -1366,9 +1355,7 @@ bpf_program__collect_reloc(struct bpf_program *prog, GElf_Shdr *shdr,
return -LIBBPF_ERRNO__FORMAT;
}
if (!gelf_getsym(symbols,
GELF_R_SYM(rel.r_info),
&sym)) {
if (!gelf_getsym(symbols, GELF_R_SYM(rel.r_info), &sym)) {
pr_warning("relocation: symbol %"PRIx64" not found\n",
GELF_R_SYM(rel.r_info));
return -LIBBPF_ERRNO__FORMAT;
@ -1817,18 +1804,14 @@ check_btf_ext_reloc_err(struct bpf_program *prog, int err,
if (btf_prog_info) {
/*
* Some info has already been found but has problem
* in the last btf_ext reloc. Must have to error
* out.
* in the last btf_ext reloc. Must have to error out.
*/
pr_warning("Error in relocating %s for sec %s.\n",
info_name, prog->section_name);
return err;
}
/*
* Have problem loading the very first info. Ignore
* the rest.
*/
/* Have problem loading the very first info. Ignore the rest. */
pr_warning("Cannot find %s for main program sec %s. Ignore all %s.\n",
info_name, prog->section_name, info_name);
return 0;
@ -2032,9 +2015,7 @@ static int bpf_object__collect_reloc(struct bpf_object *obj)
return -LIBBPF_ERRNO__RELOC;
}
err = bpf_program__collect_reloc(prog,
shdr, data,
obj);
err = bpf_program__collect_reloc(prog, shdr, data, obj);
if (err)
return err;
}
@ -2354,8 +2335,7 @@ struct bpf_object *bpf_object__open_buffer(void *obj_buf,
(unsigned long)obj_buf_sz);
name = tmp_name;
}
pr_debug("loading object '%s' from buffer\n",
name);
pr_debug("loading object '%s' from buffer\n", name);
return __bpf_object__open(name, obj_buf, obj_buf_sz, true, true);
}