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-rw-r--r--drivers/acpi/event.c6
-rw-r--r--drivers/scsi/scsi_transport_fc.c16
-rw-r--r--drivers/scsi/scsi_transport_iscsi.c12
-rw-r--r--drivers/video/uvesafb.c5
-rw-r--r--fs/dquot.c5
-rw-r--r--lib/kobject_uevent.c3
-rw-r--r--net/netlink/af_netlink.c8
-rw-r--r--net/wimax/op-msg.c9
-rw-r--r--net/wimax/stack.c12
9 files changed, 28 insertions, 48 deletions
diff --git a/drivers/acpi/event.c b/drivers/acpi/event.c
index 0c24bd4d6562..aeb7e5fb4a04 100644
--- a/drivers/acpi/event.c
+++ b/drivers/acpi/event.c
@@ -235,11 +235,7 @@ int acpi_bus_generate_netlink_event(const char *device_class,
 		return result;
 	}
 
-	result =
-	    genlmsg_multicast(skb, 0, acpi_event_mcgrp.id, GFP_ATOMIC);
-	if (result)
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-				  "Failed to send a Genetlink message!\n"));
+	genlmsg_multicast(skb, 0, acpi_event_mcgrp.id, GFP_ATOMIC);
 	return 0;
 }
 
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index 5f77417ed585..3ee4eb40abcf 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -533,12 +533,8 @@ fc_host_post_event(struct Scsi_Host *shost, u32 event_number,
 	event->event_code = event_code;
 	event->event_data = event_data;
 
-	err = nlmsg_multicast(scsi_nl_sock, skb, 0, SCSI_NL_GRP_FC_EVENTS,
-			      GFP_KERNEL);
-	if (err && (err != -ESRCH))	/* filter no recipient errors */
-		/* nlmsg_multicast already kfree_skb'd */
-		goto send_fail;
-
+	nlmsg_multicast(scsi_nl_sock, skb, 0, SCSI_NL_GRP_FC_EVENTS,
+			GFP_KERNEL);
 	return;
 
 send_fail_skb:
@@ -607,12 +603,8 @@ fc_host_post_vendor_event(struct Scsi_Host *shost, u32 event_number,
 	event->event_code = FCH_EVT_VENDOR_UNIQUE;
 	memcpy(&event->event_data, data_buf, data_len);
 
-	err = nlmsg_multicast(scsi_nl_sock, skb, 0, SCSI_NL_GRP_FC_EVENTS,
-			      GFP_KERNEL);
-	if (err && (err != -ESRCH))	/* filter no recipient errors */
-		/* nlmsg_multicast already kfree_skb'd */
-		goto send_vendor_fail;
-
+	nlmsg_multicast(scsi_nl_sock, skb, 0, SCSI_NL_GRP_FC_EVENTS,
+			GFP_KERNEL);
 	return;
 
 send_vendor_fail_skb:
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 75c9297694cb..2adfab8c11c1 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -966,15 +966,7 @@ iscsi_if_transport_lookup(struct iscsi_transport *tt)
 static int
 iscsi_broadcast_skb(struct sk_buff *skb, gfp_t gfp)
 {
-	int rc;
-
-	rc = netlink_broadcast(nls, skb, 0, 1, gfp);
-	if (rc < 0) {
-		printk(KERN_ERR "iscsi: can not broadcast skb (%d)\n", rc);
-		return rc;
-	}
-
-	return 0;
+	return netlink_broadcast(nls, skb, 0, 1, gfp);
 }
 
 static int
@@ -1207,7 +1199,7 @@ int iscsi_session_event(struct iscsi_cls_session *session,
 	 * the user and when the daemon is restarted it will handle it
 	 */
 	rc = iscsi_broadcast_skb(skb, GFP_KERNEL);
-	if (rc < 0)
+	if (rc == -ESRCH)
 		iscsi_cls_session_printk(KERN_ERR, session,
 					 "Cannot notify userspace of session "
 					 "event %u. Check iscsi daemon\n",
diff --git a/drivers/video/uvesafb.c b/drivers/video/uvesafb.c
index 6c2d37fdd3b9..74ae75899009 100644
--- a/drivers/video/uvesafb.c
+++ b/drivers/video/uvesafb.c
@@ -204,8 +204,11 @@ static int uvesafb_exec(struct uvesafb_ktask *task)
 		} else {
 			v86d_started = 1;
 			err = cn_netlink_send(m, 0, gfp_any());
+			if (err == -ENOBUFS)
+				err = 0;
 		}
-	}
+	} else if (err == -ENOBUFS)
+		err = 0;
 
 	if (!err && !(task->t.flags & TF_EXIT))
 		err = !wait_for_completion_timeout(task->done,
diff --git a/fs/dquot.c b/fs/dquot.c
index bca3cac4bee7..d6add0bf5ad3 100644
--- a/fs/dquot.c
+++ b/fs/dquot.c
@@ -1057,10 +1057,7 @@ static void send_warning(const struct dquot *dquot, const char warntype)
 		goto attr_err_out;
 	genlmsg_end(skb, msg_head);
 
-	ret = genlmsg_multicast(skb, 0, quota_genl_family.id, GFP_NOFS);
-	if (ret < 0 && ret != -ESRCH)
-		printk(KERN_ERR
-			"VFS: Failed to send notification message: %d\n", ret);
+	genlmsg_multicast(skb, 0, quota_genl_family.id, GFP_NOFS);
 	return;
 attr_err_out:
 	printk(KERN_ERR "VFS: Not enough space to compose quota message!\n");
diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index 318328ddbd1c..38131028d16f 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -227,6 +227,9 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
 			NETLINK_CB(skb).dst_group = 1;
 			retval = netlink_broadcast(uevent_sock, skb, 0, 1,
 						   GFP_KERNEL);
+			/* ENOBUFS should be handled in userspace */
+			if (retval == -ENOBUFS)
+				retval = 0;
 		} else
 			retval = -ENOMEM;
 	}
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 9eb895c7a2a9..6ee69c27f806 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -950,6 +950,7 @@ struct netlink_broadcast_data {
 	u32 pid;
 	u32 group;
 	int failure;
+	int delivery_failure;
 	int congested;
 	int delivered;
 	gfp_t allocation;
@@ -999,6 +1000,7 @@ static inline int do_one_broadcast(struct sock *sk,
 		p->skb2 = NULL;
 	} else if ((val = netlink_broadcast_deliver(sk, p->skb2)) < 0) {
 		netlink_overrun(sk);
+		p->delivery_failure = 1;
 	} else {
 		p->congested |= val;
 		p->delivered = 1;
@@ -1025,6 +1027,7 @@ int netlink_broadcast(struct sock *ssk, struct sk_buff *skb, u32 pid,
 	info.pid = pid;
 	info.group = group;
 	info.failure = 0;
+	info.delivery_failure = 0;
 	info.congested = 0;
 	info.delivered = 0;
 	info.allocation = allocation;
@@ -1045,13 +1048,14 @@ int netlink_broadcast(struct sock *ssk, struct sk_buff *skb, u32 pid,
 	if (info.skb2)
 		kfree_skb(info.skb2);
 
+	if (info.delivery_failure || info.failure)
+		return -ENOBUFS;
+
 	if (info.delivered) {
 		if (info.congested && (allocation & __GFP_WAIT))
 			yield();
 		return 0;
 	}
-	if (info.failure)
-		return -ENOBUFS;
 	return -ESRCH;
 }
 EXPORT_SYMBOL(netlink_broadcast);
diff --git a/net/wimax/op-msg.c b/net/wimax/op-msg.c
index cb3b4ad53683..5d149c1b5f0d 100644
--- a/net/wimax/op-msg.c
+++ b/net/wimax/op-msg.c
@@ -258,7 +258,6 @@ EXPORT_SYMBOL_GPL(wimax_msg_len);
  */
 int wimax_msg_send(struct wimax_dev *wimax_dev, struct sk_buff *skb)
 {
-	int result;
 	struct device *dev = wimax_dev->net_dev->dev.parent;
 	void *msg = skb->data;
 	size_t size = skb->len;
@@ -266,11 +265,9 @@ int wimax_msg_send(struct wimax_dev *wimax_dev, struct sk_buff *skb)
 
 	d_printf(1, dev, "CTX: wimax msg, %zu bytes\n", size);
 	d_dump(2, dev, msg, size);
-	result = genlmsg_multicast(skb, 0, wimax_gnl_mcg.id, GFP_KERNEL);
-	d_printf(1, dev, "CTX: genl multicast result %d\n", result);
-	if (result == -ESRCH)	/* Nobody connected, ignore it */
-		result = 0;	/* btw, the skb is freed already */
-	return result;
+	genlmsg_multicast(skb, 0, wimax_gnl_mcg.id, GFP_KERNEL);
+	d_printf(1, dev, "CTX: genl multicast done\n");
+	return 0;
 }
 EXPORT_SYMBOL_GPL(wimax_msg_send);
 
diff --git a/net/wimax/stack.c b/net/wimax/stack.c
index 3869c0327882..a0ee76b52510 100644
--- a/net/wimax/stack.c
+++ b/net/wimax/stack.c
@@ -163,16 +163,12 @@ int wimax_gnl_re_state_change_send(
 	struct device *dev = wimax_dev_to_dev(wimax_dev);
 	d_fnstart(3, dev, "(wimax_dev %p report_skb %p)\n",
 		  wimax_dev, report_skb);
-	if (report_skb == NULL)
+	if (report_skb == NULL) {
+		result = -ENOMEM;
 		goto out;
-	genlmsg_end(report_skb, header);
-	result = genlmsg_multicast(report_skb, 0, wimax_gnl_mcg.id, GFP_KERNEL);
-	if (result == -ESRCH)	/* Nobody connected, ignore it */
-		result = 0;	/* btw, the skb is freed already */
-	if (result < 0) {
-		dev_err(dev, "RE_STCH: Error sending: %d\n", result);
-		nlmsg_free(report_skb);
 	}
+	genlmsg_end(report_skb, header);
+	genlmsg_multicast(report_skb, 0, wimax_gnl_mcg.id, GFP_KERNEL);
 out:
 	d_fnend(3, dev, "(wimax_dev %p report_skb %p) = %d\n",
 		wimax_dev, report_skb, result);
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-09-24 06:28:44 +0000