1 files changed, 7 insertions, 3 deletions

diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index 8db008de5392..9c61b9c2c597 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -101,13 +101,17 @@ iscsi_iser_recv(struct iscsi_conn *conn,
 
         /* verify PDU length */
         datalen = ntoh24(hdr->dlength);
-        if (datalen != rx_data_len) {
-                printk(KERN_ERR "iscsi_iser: datalen %d (hdr) != %d (IB) \n",
-                       datalen, rx_data_len);
+        if (datalen > rx_data_len || (datalen + 4) < rx_data_len) {
+                iser_err("wrong datalen %d (hdr), %d (IB)\n",
+                        datalen, rx_data_len);
                 rc = ISCSI_ERR_DATALEN;
                 goto error;
         }
 
+        if (datalen != rx_data_len)
+                iser_dbg("aligned datalen (%d) hdr, %d (IB)\n",
+                        datalen, rx_data_len);
+
         /* read AHS */
         ahslen = hdr->hlength * 4;