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[bpf-next] libbpf: fix false unused variable warning

Message ID 20200430012544.1347275-1-andriin@fb.com
State New
Headers show
Series [bpf-next] libbpf: fix false unused variable warning | expand

Commit Message

Andrii Nakryiko April 30, 2020, 1:25 a.m. UTC
Some versions of GCC falsely detect that vi might not be initialized. That's
not true, but let's silence it with NULL initialization.

Signed-off-by: Andrii Nakryiko <andriin@fb.com>
---
 tools/lib/bpf/libbpf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index d86ff8214b96..977add1b73e2 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -5003,8 +5003,8 @@  static int bpf_object__collect_map_relos(struct bpf_object *obj,
 					 GElf_Shdr *shdr, Elf_Data *data)
 {
 	int i, j, nrels, new_sz, ptr_sz = sizeof(void *);
+	const struct btf_var_secinfo *vi = NULL;
 	const struct btf_type *sec, *var, *def;
-	const struct btf_var_secinfo *vi;
 	const struct btf_member *member;
 	struct bpf_map *map, *targ_map;
 	const char *name, *mname;