From af308377e204e25f1f58627d05fe0f483703b514 Mon Sep 17 00:00:00 2001 From: Stephen Rothwell Date: Thu, 23 Mar 2006 17:38:10 +1100 Subject: [PATCH] powerpc: fix various sparse warnings Signed-off-by: Stephen Rothwell Signed-off-by: Paul Mackerras --- arch/powerpc/kernel/process.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'arch/powerpc/kernel/process.c') 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) -- cgit v1.2.3-70-g09d2