1 files changed, 2 insertions, 2 deletions

diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index b867ab3353b4..e2771939341d 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -1189,7 +1189,7 @@ static int __kprobes perf_event_nmi_handler(struct notifier_block *self,
 
         regs = args->regs;
 
-        data.addr = 0;
+        perf_sample_data_init(&data, 0);
 
         cpuc = &__get_cpu_var(cpu_hw_events);
 
@@ -1337,7 +1337,7 @@ static void perf_callchain_user_32(struct pt_regs *regs,
         callchain_store(entry, PERF_CONTEXT_USER);
         callchain_store(entry, regs->tpc);
 
-        ufp = regs->u_regs[UREG_I6];
+        ufp = regs->u_regs[UREG_I6] & 0xffffffffUL;
         do {
                 struct sparc_stackf32 *usf, sf;
                 unsigned long pc;