From: Justin Pettit <jpettit@nicira.com>
Date: Tue, 22 Apr 2008 00:56:12 +0000 (-0700)
Subject: BUG #4.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=25a6a99f6d2e005c4403f2b005353f1d3a0f57c7;p=openvswitch

BUG #4.

Don't use kmalloc with GFP_KERNEL within an rcu_read_lock().
---

diff --git a/datapath/datapath.c b/datapath/datapath.c
index 89c57674..054c47e5 100644
--- a/datapath/datapath.c
+++ b/datapath/datapath.c
@@ -1008,7 +1008,7 @@ static int dp_genl_query(struct sk_buff *skb, struct genl_info *info)
 		err = -ENOENT;
 	else {
 		void *data;
-		ans_skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+		ans_skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
 		if (!ans_skb) {
 			err = -ENOMEM;
 			goto err;
diff --git a/datapath/table-hash.c b/datapath/table-hash.c
index 87d3f650..184aa30d 100644
--- a/datapath/table-hash.c
+++ b/datapath/table-hash.c
@@ -165,7 +165,7 @@ static int table_hash_iterator(struct sw_table *swt,
 {
 	struct swt_iterator_hash *ih;
 
-	swt_iter->private = ih = kmalloc(sizeof *ih, GFP_KERNEL);
+	swt_iter->private = ih = kmalloc(sizeof *ih, GFP_ATOMIC);
 
 	if (ih == NULL)
 		return 0;
@@ -306,7 +306,7 @@ static int table_hash2_iterator(struct sw_table *swt,
 {
 	struct swt_iterator_hash2 *ih2;
 
-	swt_iter->private = ih2 = kmalloc(sizeof *ih2, GFP_KERNEL);
+	swt_iter->private = ih2 = kmalloc(sizeof *ih2, GFP_ATOMIC);
 	if (ih2 == NULL)
 		return 0;