trace_uprobe: Simplify probes_seq_show()

Simplify probes_seq_show() function. No change in output
before and after patch.

Link: http://lkml.kernel.org/r/20180315082756.9050-2-ravi.bangoria@linux.vnet.ibm.com

Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.vnet.ibm.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

kernel/trace/trace_uprobe.c

@@ -602,24 +602,9 @@ static int probes_seq_show(struct seq_file *m, void *v)
 	char c = is_ret_probe(tu) ? 'r' : 'p';
 	int i;
 
-	seq_printf(m, "%c:%s/%s", c, tu->tp.call.class->system,
-			trace_event_name(&tu->tp.call));
-	seq_printf(m, " %s:", tu->filename);
-
-	/* Don't print "0x  (null)" when offset is 0 */
-	if (tu->offset) {
-		seq_printf(m, "0x%0*lx", (int)(sizeof(void *) * 2), tu->offset);
-	} else {
-		switch (sizeof(void *)) {
-		case 4:
-			seq_printf(m, "0x00000000");
-			break;
-		case 8:
-		default:
-			seq_printf(m, "0x0000000000000000");
-			break;
-		}
-	}
+	seq_printf(m, "%c:%s/%s %s:0x%0*lx", c, tu->tp.call.class->system,
+			trace_event_name(&tu->tp.call), tu->filename,
+			(int)(sizeof(void *) * 2), tu->offset);
 
 	for (i = 0; i < tu->tp.nr_args; i++)
 		seq_printf(m, " %s=%s", tu->tp.args[i].name, tu->tp.args[i].comm);