[PATCH 4.9 74/88] alpha: fix formating of stack content

[Greg Kroah-Hartman]

4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Mikulas Patocka <mpato...@redhat.com>

commit 4b01abdb32fc36abe877503bfbd33019159fad71 upstream.

Since version 4.9, the kernel automatically breaks printk calls into
multiple newlines unless pr_cont is used. Fix the alpha stacktrace code,
so that it prints stack trace in four columns, as it was initially
intended.

Signed-off-by: Mikulas Patocka <mpato...@redhat.com>
Signed-off-by: Matt Turner <matts...@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>

---
 arch/alpha/kernel/traps.c |   13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

--- a/arch/alpha/kernel/traps.c
+++ b/arch/alpha/kernel/traps.c
@@ -158,11 +158,16 @@ void show_stack(struct task_struct *task
        for(i=0; i < kstack_depth_to_print; i++) {
                if (((long) stack & (THREAD_SIZE-1)) == 0)
                        break;
-               if (i && ((i % 4) == 0))
-                       printk("\n       ");
-               printk("%016lx ", *stack++);
+               if ((i % 4) == 0) {
+                       if (i)
+                               pr_cont("\n");
+                       printk("       ");
+               } else {
+                       pr_cont(" ");
+               }
+               pr_cont("%016lx", *stack++);
        }
-       printk("\n");
+       pr_cont("\n");
        dik_show_trace(sp);
 }