*/
static void __user *mpx_get_addr_ref(struct insn *insn, struct pt_regs *regs)
{
- unsigned long addr, base, indx;
+ unsigned long addr = -1L, base, indx;
int addr_offset, base_offset, indx_offset;
insn_byte_t sib;
if (X86_MODRM_MOD(insn->modrm.value) == 3) {
addr_offset = get_reg_offset(insn, regs, REG_TYPE_RM);
if (addr_offset < 0)
- goto out_err;
+ goto out;
addr = regs_get_register(regs, addr_offset);
} else {
if (insn->sib.nbytes) {
base_offset = get_reg_offset(insn, regs, REG_TYPE_BASE);
if (base_offset < 0)
- goto out_err;
+ goto out;
indx_offset = get_reg_offset(insn, regs, REG_TYPE_INDEX);
if (indx_offset < 0)
- goto out_err;
+ goto out;
base = regs_get_register(regs, base_offset);
indx = regs_get_register(regs, indx_offset);
} else {
addr_offset = get_reg_offset(insn, regs, REG_TYPE_RM);
if (addr_offset < 0)
- goto out_err;
+ goto out;
addr = regs_get_register(regs, addr_offset);
}
addr += insn->displacement.value;
}
+out:
return (void __user *)addr;
-out_err:
- return (void __user *)-1;
}
static int mpx_insn_decode(struct insn *insn,