1 files changed, 7 insertions, 5 deletions

diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index d9b8d46707d1..369749262653 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -2116,7 +2116,7 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp)
         printk("\n");
 #endif
         do {
-                struct reg_window *rw;
+                struct sparc_stackf *sf;
                 struct pt_regs *regs;
                 unsigned long pc;
 
@@ -2124,15 +2124,17 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp)
                 if (fp < (thread_base + sizeof(struct thread_info)) ||
                     fp >= (thread_base + THREAD_SIZE))
                         break;
-                rw = (struct reg_window *)fp;
-                regs = (struct pt_regs *) (rw + 1);
+                sf = (struct sparc_stackf *) fp;
+                regs = (struct pt_regs *) (sf + 1);
 
                 if ((regs->magic & ~0x1ff) == PT_REGS_MAGIC) {
+                        if (!(regs->tstate & TSTATE_PRIV))
+                                break;
                         pc = regs->tpc;
                         fp = regs->u_regs[UREG_I6] + STACK_BIAS;
                 } else {
-                        pc = rw->ins[7];
-                        fp = rw->ins[6] + STACK_BIAS;
+                        pc = sf->callers_pc;
+                        fp = (unsigned long)sf->fp + STACK_BIAS;
                 }
 
                 printk(" [%016lx] ", pc);