From: kernel test robot <lkp@xxxxxxxxx>
tools/lib/bpf/relo_core.c:1064:8-11: Unneeded variable: "len". Return "0" on line 1086
Remove unneeded variable used to store return value.
Generated by: scripts/coccinelle/misc/returnvar.cocci
Fixes: b58af63aab11 ("libbpf: Refactor CO-RE relo human description formatting routine")
CC: Andrii Nakryiko <andrii@xxxxxxxxxx>
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: kernel test robot <lkp@xxxxxxxxx>
---
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: f02ac5c95dfd45d2f50ecc68d79177de326c668c
commit: b58af63aab11e4ae00fe96de9505759cfdde8ee9 [6746/7265] libbpf: Refactor CO-RE relo human description formatting routine
:::::: branch date: 2 hours ago
:::::: commit date: 9 hours ago
tools/lib/bpf/relo_core.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
--- a/tools/lib/bpf/relo_core.c
+++ b/tools/lib/bpf/relo_core.c
@@ -1061,7 +1061,7 @@ static int bpf_core_format_spec(char *bu
const struct btf_enum *e;
const char *s;
__u32 type_id;
- int i, len = 0;
+ int i;
#define append_buf(fmt, args...) \
({ \
@@ -1083,7 +1083,7 @@ static int bpf_core_format_spec(char *bu
type_id, btf_kind_str(t), str_is_empty(s) ? "<anon>" : s);
if (core_relo_is_type_based(spec->relo_kind))
- return len;
+ return 0;
if (core_relo_is_enumval_based(spec->relo_kind)) {
t = skip_mods_and_typedefs(spec->btf, type_id, NULL);
@@ -1091,7 +1091,7 @@ static int bpf_core_format_spec(char *bu
s = btf__name_by_offset(spec->btf, e->name_off);
append_buf("::%s = %u", s, e->val);
- return len;
+ return 0;
}
if (core_relo_is_field_based(spec->relo_kind)) {
@@ -1110,10 +1110,10 @@ static int bpf_core_format_spec(char *bu
append_buf(" @ offset %u.%u)", spec->bit_offset / 8, spec->bit_offset % 8);
else
append_buf(" @ offset %u)", spec->bit_offset / 8);
- return len;
+ return 0;
}
- return len;
+ return 0;
#undef append_buf
}
