--- zzzz-none-000/linux-5.15.111/lib/kobject_uevent.c	2023-05-11 14:00:40.000000000 +0000
+++ puma7-atom-6670-761/linux-5.15.111/lib/kobject_uevent.c	2024-02-07 10:23:29.000000000 +0000
@@ -55,8 +55,6 @@
 	[KOBJ_MOVE] =		"move",
 	[KOBJ_ONLINE] =		"online",
 	[KOBJ_OFFLINE] =	"offline",
-	[KOBJ_BIND] =		"bind",
-	[KOBJ_UNBIND] =		"unbind",
 };
 
 static int kobject_action_type(const char *buf, size_t count,
@@ -416,34 +414,6 @@
 	return ret;
 }
 
-static void zap_modalias_env(struct kobj_uevent_env *env)
-{
-	static const char modalias_prefix[] = "MODALIAS=";
-	size_t len;
-	int i, j;
-
-	for (i = 0; i < env->envp_idx;) {
-		if (strncmp(env->envp[i], modalias_prefix,
-			    sizeof(modalias_prefix) - 1)) {
-			i++;
-			continue;
-		}
-
-		len = strlen(env->envp[i]) + 1;
-
-		if (i != env->envp_idx - 1) {
-			memmove(env->envp[i], env->envp[i + 1],
-				env->buflen - len);
-
-			for (j = i; j < env->envp_idx - 1; j++)
-				env->envp[j] = env->envp[j + 1] - len;
-		}
-
-		env->envp_idx--;
-		env->buflen -= len;
-	}
-}
-
 /**
  * kobject_uevent_env - send an uevent with environmental data
  *
@@ -563,25 +533,10 @@
 		}
 	}
 
-	switch (action) {
-	case KOBJ_ADD:
-		/*
-		 * Mark "add" event so we can make sure we deliver "remove"
-		 * event to userspace during automatic cleanup. If
-		 * the object did send an "add" event, "remove" will
-		 * automatically generated by the core, if not already done
-		 * by the caller.
-		 */
-		kobj->state_add_uevent_sent = 1;
-		break;
-
-	case KOBJ_UNBIND:
-		zap_modalias_env(env);
-		break;
-
-	default:
-		break;
-	}
+	if (action == KOBJ_ADD)
+                kobj->state_add_uevent_sent = 1;
+	else if (action == KOBJ_REMOVE)
+		kobj->state_remove_uevent_sent = 1;
 
 	mutex_lock(&uevent_sock_mutex);
 	/* we will send an event, so request a new sequence number */