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UPSTREAM: tools/resolve_btfids: Fix warnings

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* make eprintf static, used only in main.c
* initialize ret in eprintf
* remove unused *tmp

v3:
* remove another err (Song Liu)

v2:
* remove unused 'int err = -1'

Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Link: https://lore.kernel.org/bpf/20210329223143.3659983-1-sdf@google.com
(cherry picked from commit e27bfefb21)
Bug: 203823368
Signed-off-by: Connor O'Brien <connoro@google.com>
Change-Id: Ie1e72f161805e9b9634e45e6a348bbc386dfd076
This commit is contained in:
Stanislav Fomichev
2021-03-29 15:31:43 -07:00
committed by Connor O'Brien
parent f74899b38f
commit da8e680070
1 changed files with 5 additions and 6 deletions
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11
tools/bpf/resolve_btfids/main.c
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@@ -115,10 +115,10 @@ struct object {
static int verbose;
int eprintf(int level, int var, const char *fmt, ...)
static int eprintf(int level, int var, const char *fmt, ...)
{
va_list args;
int ret;
int ret = 0;
if (var >= level) {
va_start(args, fmt);
@@ -383,7 +383,7 @@ static int elf_collect(struct object *obj)
static int symbols_collect(struct object *obj)
{
Elf_Scn *scn = NULL;
int n, i, err = 0;
int n, i;
GElf_Shdr sh;
char *name;
@@ -400,11 +400,10 @@ static int symbols_collect(struct object *obj)
* Scan symbols and look for the ones starting with
* __BTF_ID__* over .BTF_ids section.
*/
for (i = 0; !err && i < n; i++) {
char *tmp, *prefix;
for (i = 0; i < n; i++) {
char *prefix;
struct btf_id *id;
GElf_Sym sym;
int err = -1;
if (!gelf_getsym(obj->efile.symbols, i, &sym))
return -1;