tracing/trace_stack: Cleanup for trace_lookup_stack()
We can directly use %pF input format instead of sprint_symbol()
and %s input format.
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Reviewed-by: Li Zefan <lizf@cn.fujitsu.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
index e644af9..a4dc8d9 100644
--- a/kernel/trace/trace_stack.c
+++ b/kernel/trace/trace_stack.c
@@ -234,15 +234,8 @@
static int trace_lookup_stack(struct seq_file *m, long i)
{
unsigned long addr = stack_dump_trace[i];
-#ifdef CONFIG_KALLSYMS
- char str[KSYM_SYMBOL_LEN];
- sprint_symbol(str, addr);
-
- return seq_printf(m, "%s\n", str);
-#else
- return seq_printf(m, "%p\n", (void*)addr);
-#endif
+ return seq_printf(m, "%pF\n", (void *)addr);
}
static void print_disabled(struct seq_file *m)