diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm64/kernel/traps.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c index 3ebfb1d00b53..c7c7088097be 100644 --- a/arch/arm64/kernel/traps.c +++ b/arch/arm64/kernel/traps.c @@ -344,22 +344,24 @@ static int call_undef_hook(struct pt_regs *regs) if (compat_thumb_mode(regs)) { /* 16-bit Thumb instruction */ - if (get_user(instr, (u16 __user *)pc)) + __le16 instr_le; + if (get_user(instr_le, (__le16 __user *)pc)) goto exit; - instr = le16_to_cpu(instr); + instr = le16_to_cpu(instr_le); if (aarch32_insn_is_wide(instr)) { u32 instr2; - if (get_user(instr2, (u16 __user *)(pc + 2))) + if (get_user(instr_le, (__le16 __user *)(pc + 2))) goto exit; - instr2 = le16_to_cpu(instr2); + instr2 = le16_to_cpu(instr_le); instr = (instr << 16) | instr2; } } else { /* 32-bit ARM instruction */ - if (get_user(instr, (u32 __user *)pc)) + __le32 instr_le; + if (get_user(instr_le, (__le32 __user *)pc)) goto exit; - instr = le32_to_cpu(instr); + instr = le32_to_cpu(instr_le); } raw_spin_lock_irqsave(&undef_lock, flags); |