init/main.c: remove unnecessary (void*) conversions

The void pointer object can be directly assigned to different structure
objects, it does not need to be cast.

Link: https://lkml.kernel.org/r/20220928014539.11046-1-zhoujie@nfschina.comSigned-off-by: Zhou jie <zhoujie@nfschina.com>
Reviewed-by: Andrew Halaney <ahalaney@redhat.com>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

init/main.c

@@ -1237,7 +1237,7 @@ __setup("initcall_blacklist=", initcall_blacklist);
 static __init_or_module void
 trace_initcall_start_cb(void *data, initcall_t fn)
 {
-	ktime_t *calltime = (ktime_t *)data;
+	ktime_t *calltime = data;
 
 	printk(KERN_DEBUG "calling  %pS @ %i\n", fn, task_pid_nr(current));
 	*calltime = ktime_get();
@@ -1246,7 +1246,7 @@ trace_initcall_start_cb(void *data, initcall_t fn)
 static __init_or_module void
 trace_initcall_finish_cb(void *data, initcall_t fn, int ret)
 {
-	ktime_t rettime, *calltime = (ktime_t *)data;
+	ktime_t rettime, *calltime = data;
 
 	rettime = ktime_get();
 	printk(KERN_DEBUG "initcall %pS returned %d after %lld usecs\n",