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Fix for the "bpf -t" option. Although highly unlikely, without the

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patch, the target function name of a BPF bytecode call instruction
may fail to be resolved correctly.
(anderson@redhat.com)
This commit is contained in:
Dave Anderson 2018-06-01 15:28:55 -04:00
parent 9446958fe2
commit 95daa11b82
1 changed files with 1 additions and 2 deletions
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3
bpf.c
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@ -1060,8 +1060,7 @@ static char *__func_get_name(const struct bpf_insn *insn,
return buff;
if (insn->src_reg != BPF_PSEUDO_CALL &&
insn->imm >= 0 && insn->imm < __BPF_FUNC_MAX_ID &&
func_id_str[insn->imm]) {
insn->imm >= 0 && insn->imm < __BPF_FUNC_MAX_ID) {
// return func_id_str[insn->imm];
if (!readmem(symbol_value("func_id_str") + (insn->imm * sizeof(void *)),
KVADDR, &func_id_ptr, sizeof(void *), "func_id_str pointer",