commit 1b34ec43c9b3de44a5420841ab293d1b2035a94c
author David S. Miller <davem@davemloft.net> Thu Mar 29 05:11:39 2012 -0400
committer David S. Miller <davem@davemloft.net> Sun Apr 01 18:11:37 2012 -0400
tree 8d6cf966c813e0e61001655179b5ef8e5f1b54b3
parent 9360ffd1859720f6520cf59241909b74dae369d0

pkt_sched: Stop using NLA_PUT*().

These macros contain a hidden goto, and are thus extremely error
prone and make code hard to audit.

Signed-off-by: David S. Miller <davem@davemloft.net>

net/sched/cls_fw.c

diff --git a/net/sched/cls_fw.c b/net/sched/cls_fw.c
index 389af15..8384a47 100644
--- a/net/sched/cls_fw.c
+++ b/net/sched/cls_fw.c
@@ -346,14 +346,17 @@
 	if (nest == NULL)
 		goto nla_put_failure;
 
-	if (f->res.classid)
-		NLA_PUT_U32(skb, TCA_FW_CLASSID, f->res.classid);
+	if (f->res.classid &&
+	    nla_put_u32(skb, TCA_FW_CLASSID, f->res.classid))
+		goto nla_put_failure;
 #ifdef CONFIG_NET_CLS_IND
-	if (strlen(f->indev))
-		NLA_PUT_STRING(skb, TCA_FW_INDEV, f->indev);
+	if (strlen(f->indev) &&
+	    nla_put_string(skb, TCA_FW_INDEV, f->indev))
+		goto nla_put_failure;
 #endif /* CONFIG_NET_CLS_IND */
-	if (head->mask != 0xFFFFFFFF)
-		NLA_PUT_U32(skb, TCA_FW_MASK, head->mask);
+	if (head->mask != 0xFFFFFFFF &&
+	    nla_put_u32(skb, TCA_FW_MASK, head->mask))
+		goto nla_put_failure;
 
 	if (tcf_exts_dump(skb, &f->exts, &fw_ext_map) < 0)
 		goto nla_put_failure;