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Diffstat (limited to 'arch/x86/mm/kmmio.c')
-rw-r--r--arch/x86/mm/kmmio.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/x86/mm/kmmio.c b/arch/x86/mm/kmmio.c
index c0f6198565eb..536fb6823366 100644
--- a/arch/x86/mm/kmmio.c
+++ b/arch/x86/mm/kmmio.c
@@ -538,14 +538,15 @@ static int
kmmio_die_notifier(struct notifier_block *nb, unsigned long val, void *args)
{
struct die_args *arg = args;
+ unsigned long* dr6_p = (unsigned long *)ERR_PTR(arg->err);
- if (val == DIE_DEBUG && (arg->err & DR_STEP))
- if (post_kmmio_handler(arg->err, arg->regs) == 1) {
+ if (val == DIE_DEBUG && (*dr6_p & DR_STEP))
+ if (post_kmmio_handler(*dr6_p, arg->regs) == 1) {
/*
* Reset the BS bit in dr6 (pointed by args->err) to
* denote completion of processing
*/
- (*(unsigned long *)ERR_PTR(arg->err)) &= ~DR_STEP;
+ *dr6_p &= ~DR_STEP;
return NOTIFY_STOP;
}

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