---

yaml --- r: 184512 b: refs/heads/master c: d02a5e6 h: refs/heads/master v: v3
git-mirror · Feb 26, 2010 · f7322cc · f7322cc
1 parent 4c941b0
commit f7322cc
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 66883e90eaa0dd55d395c0f9a0c6da5d50809804
+refs/heads/master: d02a5e6c2fba8b114c44cf05085fca07180f37f1
diff --git a/trunk/drivers/net/cnic.c b/trunk/drivers/net/cnic.c
@@ -327,6 +327,12 @@ static int cnic_iscsi_nl_msg_recv(struct cnic_dev *dev, u32 msg_type,
 		if (l5_cid >= MAX_CM_SK_TBL_SZ)
 			break;
 
+		rcu_read_lock();
+		if (!rcu_dereference(cp->ulp_ops[CNIC_ULP_L4])) {
+			rc = -ENODEV;
+			rcu_read_unlock();
+			break;
+		}
 		csk = &cp->csk_tbl[l5_cid];
 		csk_hold(csk);
 		if (cnic_in_use(csk)) {
@@ -341,6 +347,7 @@ static int cnic_iscsi_nl_msg_recv(struct cnic_dev *dev, u32 msg_type,
 				cnic_cm_set_pg(csk);
 		}
 		csk_put(csk);
+		rcu_read_unlock();
 		rc = 0;
 	}
 	}