kernel: params: Remove unnecessary ‘0’ values from err

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

Signed-off-by: Li zeming <[e-mail]>
Reviewed-by: Randy Dunlap <[e-mail]>
Signed-off-by: Luis Chamberlain <[e-mail]>

kernel/params.c

···
 
 int param_set_bool_enable_only(const char *val, const struct kernel_param *kp)
 {
-	int err = 0;
+	int err;
 	bool new_value;
 	bool orig_value = *(bool *)kp->arg;
 	struct kernel_param dummy_kp = *kp;