diff options
Diffstat (limited to 'arch/x86/kernel/cpu/mce/severity.c')
| -rw-r--r-- | arch/x86/kernel/cpu/mce/severity.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/arch/x86/kernel/cpu/mce/severity.c b/arch/x86/kernel/cpu/mce/severity.c index 83df991314c5..17e631443116 100644 --- a/arch/x86/kernel/cpu/mce/severity.c +++ b/arch/x86/kernel/cpu/mce/severity.c @@ -142,7 +142,7 @@ static struct severity { MASK(MCI_STATUS_OVER|MCI_UC_SAR, MCI_STATUS_UC|MCI_STATUS_AR) ), MCESEV( - KEEP, "Non signalled machine check", + KEEP, "Non signaled machine check", SER, BITCLR(MCI_STATUS_S) ), @@ -218,15 +218,15 @@ static struct severity { static bool is_copy_from_user(struct pt_regs *regs) { u8 insn_buf[MAX_INSN_SIZE]; - struct insn insn; unsigned long addr; + struct insn insn; + int ret; if (copy_from_kernel_nofault(insn_buf, (void *)regs->ip, MAX_INSN_SIZE)) return false; - kernel_insn_init(&insn, insn_buf, MAX_INSN_SIZE); - insn_get_opcode(&insn); - if (!insn.opcode.got) + ret = insn_decode_kernel(&insn, insn_buf); + if (ret < 0) return false; switch (insn.opcode.value) { @@ -234,10 +234,6 @@ static bool is_copy_from_user(struct pt_regs *regs) case 0x8A: case 0x8B: /* MOVZ mem,reg */ case 0xB60F: case 0xB70F: - insn_get_modrm(&insn); - insn_get_sib(&insn); - if (!insn.modrm.got || !insn.sib.got) - return false; addr = (unsigned long)insn_get_addr_ref(&insn, regs); break; /* REP MOVS */ |