kernel: kprobes: Remove unnecessary ‘0’ values

it is assigned first, so it does not need to initialize the assignment.

Link: https://lore.kernel.org/all/[e-mail]/

Signed-off-by: Li zeming <[e-mail]>
Acked-by: Masami Hiramatsu (Google) <[e-mail]>
Signed-off-by: Masami Hiramatsu (Google) <[e-mail]>

kernel/kprobes.c

···
 static int __arm_kprobe_ftrace(struct kprobe *p, struct ftrace_ops *ops,
 			       int *cnt)
 {
-	int ret = 0;
+	int ret;
 
 	lockdep_assert_held(&kprobe_mutex);
 
···
 static int __disarm_kprobe_ftrace(struct kprobe *p, struct ftrace_ops *ops,
 				  int *cnt)
 {
-	int ret = 0;
+	int ret;
 
 	lockdep_assert_held(&kprobe_mutex);
 
···
 
 static int __init init_kprobes(void)
 {
-	int i, err = 0;
+	int i, err;
 
 	/* FIXME allocate the probe table, currently defined statically */
 	/* initialize all list heads */