x86/mpx: Fix instruction decoder condition

[cascardo/linux.git] / arch / x86 / mm / mpx.c

diff --git a/arch/x86/mm/mpx.c b/arch/x86/mm/mpx.c
index 1202d5c..b2fd67d 100644 (file)
--- a/arch/x86/mm/mpx.c
+++ b/arch/x86/mm/mpx.c
@@ -101,19 +101,19 @@ static int get_reg_offset(struct insn *insn, struct pt_regs *regs,
        switch (type) {
        case REG_TYPE_RM:
                regno = X86_MODRM_RM(insn->modrm.value);
-               if (X86_REX_B(insn->rex_prefix.value) == 1)
+               if (X86_REX_B(insn->rex_prefix.value))
                        regno += 8;
                break;
 
        case REG_TYPE_INDEX:
                regno = X86_SIB_INDEX(insn->sib.value);
-               if (X86_REX_X(insn->rex_prefix.value) == 1)
+               if (X86_REX_X(insn->rex_prefix.value))
                        regno += 8;
                break;
 
        case REG_TYPE_BASE:
                regno = X86_SIB_BASE(insn->sib.value);
-               if (X86_REX_B(insn->rex_prefix.value) == 1)
+               if (X86_REX_B(insn->rex_prefix.value))
                        regno += 8;
                break;