1 files changed, 35 insertions, 47 deletions

diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 4916f01..5428d15 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -1097,61 +1097,49 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
 }
 
 /*
- * Get message from skb (based on rtnetlink_rcv_skb).  Each message is
- * processed by iscsi_if_recv_msg.  Malformed skbs with wrong lengths or
- * invalid creds are discarded silently.
+ * Get message from skb.  Each message is processed by iscsi_if_recv_msg.
+ * Malformed skbs with wrong lengths or invalid creds are not processed.
  */
 static void
-iscsi_if_rx(struct sock *sk, int len)
+iscsi_if_rx(struct sk_buff *skb)
 {
-	struct sk_buff *skb;
-
 	mutex_lock(&rx_queue_mutex);
-	while ((skb = skb_dequeue(&sk->sk_receive_queue)) != NULL) {
-		if (NETLINK_CREDS(skb)->uid) {
-			skb_pull(skb, skb->len);
-			goto free_skb;
+	while (skb->len >= NLMSG_SPACE(0)) {
+		int err;
+		uint32_t rlen;
+		struct nlmsghdr	*nlh;
+		struct iscsi_uevent *ev;
+
+		nlh = nlmsg_hdr(skb);
+		if (nlh->nlmsg_len < sizeof(*nlh) ||
+		    skb->len < nlh->nlmsg_len) {
+			break;
 		}
 
-		while (skb->len >= NLMSG_SPACE(0)) {
-			int err;
-			uint32_t rlen;
-			struct nlmsghdr	*nlh;
-			struct iscsi_uevent *ev;
+		ev = NLMSG_DATA(nlh);
+		rlen = NLMSG_ALIGN(nlh->nlmsg_len);
+		if (rlen > skb->len)
+			rlen = skb->len;
 
-			nlh = nlmsg_hdr(skb);
-			if (nlh->nlmsg_len < sizeof(*nlh) ||
-			    skb->len < nlh->nlmsg_len) {
-				break;
-			}
-
-			ev = NLMSG_DATA(nlh);
-			rlen = NLMSG_ALIGN(nlh->nlmsg_len);
-			if (rlen > skb->len)
-				rlen = skb->len;
-
-			err = iscsi_if_recv_msg(skb, nlh);
-			if (err) {
-				ev->type = ISCSI_KEVENT_IF_ERROR;
-				ev->iferror = err;
-			}
-			do {
-				/*
-				 * special case for GET_STATS:
-				 * on success - sending reply and stats from
-				 * inside of if_recv_msg(),
-				 * on error - fall through.
-				 */
-				if (ev->type == ISCSI_UEVENT_GET_STATS && !err)
-					break;
-				err = iscsi_if_send_reply(
-					NETLINK_CREDS(skb)->pid, nlh->nlmsg_seq,
-					nlh->nlmsg_type, 0, 0, ev, sizeof(*ev));
-			} while (err < 0 && err != -ECONNREFUSED);
-			skb_pull(skb, rlen);
+		err = iscsi_if_recv_msg(skb, nlh);
+		if (err) {
+			ev->type = ISCSI_KEVENT_IF_ERROR;
+			ev->iferror = err;
 		}
-free_skb:
-		kfree_skb(skb);
+		do {
+			/*
+			 * special case for GET_STATS:
+			 * on success - sending reply and stats from
+			 * inside of if_recv_msg(),
+			 * on error - fall through.
+			 */
+			if (ev->type == ISCSI_UEVENT_GET_STATS && !err)
+				break;
+			err = iscsi_if_send_reply(
+				NETLINK_CREDS(skb)->pid, nlh->nlmsg_seq,
+				nlh->nlmsg_type, 0, 0, ev, sizeof(*ev));
+		} while (err < 0 && err != -ECONNREFUSED);
+		skb_pull(skb, rlen);
 	}
 	mutex_unlock(&rx_queue_mutex);
 }