diff options
Diffstat (limited to 'arch/powerpc/kernel/process.c')
-rw-r--r-- | arch/powerpc/kernel/process.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c index f698aa77127..995b14688d3 100644 --- a/arch/powerpc/kernel/process.c +++ b/arch/powerpc/kernel/process.c @@ -362,7 +362,11 @@ static void show_instructions(struct pt_regs *regs) if (!(i % 8)) printk("\n"); - if (BAD_PC(pc) || __get_user(instr, (unsigned int *)pc)) { + /* We use __get_user here *only* to avoid an OOPS on a + * bad address because the pc *should* only be a + * kernel address. + */ + if (BAD_PC(pc) || __get_user(instr, (unsigned int __user *)pc)) { printk("XXXXXXXX "); } else { if (regs->nip == pc) |