markers: fix sparse integer as NULL pointer warning

kernel/trace/trace_sysprof.c:164:20: warning: Using plain integer as NULL pointer

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/kernel/trace/trace_sysprof.c b/kernel/trace/trace_sysprof.c
index 6352808..ce2d723 100644 (file)
--- a/kernel/trace/trace_sysprof.c
+++ b/kernel/trace/trace_sysprof.c
@@ -161,7 +161,7 @@ static void timer_notify(struct pt_regs *regs, int cpu)
                __trace_special(tr, data, 2, regs->ip, 0);
 
                while (i < sample_max_depth) {
-                       frame.next_fp = 0;
+                       frame.next_fp = NULL;
                        frame.return_address = 0;
                        if (!copy_stack_frame(fp, &frame))
                                break;