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authorArnaldo Carvalho de Melo <acme@mandriva.com>2006-11-17 12:21:43 -0200
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-02 21:23:59 -0800
commiteed73417d501c2c7bdef1bc8a1f7a1548a635b09 (patch)
tree61fb259d247169bbe4194fff5d6461908fcead1b /net/dccp/feat.c
parentaf879cc704372ef762584e916129d19ffb39e844 (diff)
downloadlinux-eed73417d501c2c7bdef1bc8a1f7a1548a635b09.tar.gz
[DCCP]: Use kmemdup
Code diff stats:

[acme@newtoy net-2.6.20]$ codiff /tmp/dccp.ko.before /tmp/dccp.ko.after
/pub/scm/linux/kernel/git/acme/net-2.6.20/net/dccp/feat.c:
  __dccp_feat_init      |  -16
  dccp_feat_change_recv |  -55
  dccp_feat_clone       |  -56
 3 functions changed, 127 bytes removed
[acme@newtoy net-2.6.20]$

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Diffstat (limited to 'net/dccp/feat.c')
-rw-r--r--net/dccp/feat.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/net/dccp/feat.c b/net/dccp/feat.c
index 12cde2f2f13b..e808c418c992 100644
--- a/net/dccp/feat.c
+++ b/net/dccp/feat.c
@@ -286,12 +286,11 @@ static int dccp_feat_nn(struct sock *sk, u8 type, u8 feature, u8 *val, u8 len)
 	if (opt == NULL)
 		return -ENOMEM;
 
-	copy = kmalloc(len, GFP_ATOMIC);
+	copy = kmemdup(val, len, GFP_ATOMIC);
 	if (copy == NULL) {
 		kfree(opt);
 		return -ENOMEM;
 	}
-	memcpy(copy, val, len);
 
 	opt->dccpop_type = DCCPO_CONFIRM_R; /* NN can only confirm R */
 	opt->dccpop_feat = feature;
@@ -521,20 +520,18 @@ int dccp_feat_clone(struct sock *oldsk, struct sock *newsk)
 	list_for_each_entry(opt, &olddmsk->dccpms_pending, dccpop_node) {
 		struct dccp_opt_pend *newopt;
 		/* copy the value of the option */
-		u8 *val = kmalloc(opt->dccpop_len, GFP_ATOMIC);
+		u8 *val = kmemdup(opt->dccpop_val, opt->dccpop_len, GFP_ATOMIC);
 
 		if (val == NULL)
 			goto out_clean;
-		memcpy(val, opt->dccpop_val, opt->dccpop_len);
 
-		newopt = kmalloc(sizeof(*newopt), GFP_ATOMIC);
+		newopt = kmemdup(opt, sizeof(*newopt), GFP_ATOMIC);
 		if (newopt == NULL) {
 			kfree(val);
 			goto out_clean;
 		}
 
 		/* insert the option */
-		memcpy(newopt, opt, sizeof(*newopt));
 		newopt->dccpop_val = val;
 		list_add_tail(&newopt->dccpop_node, &newdmsk->dccpms_pending);
 
@@ -565,10 +562,9 @@ static int __dccp_feat_init(struct dccp_minisock *dmsk, u8 type, u8 feat,
 			    u8 *val, u8 len)
 {
 	int rc = -ENOMEM;
-	u8 *copy = kmalloc(len, GFP_KERNEL);
+	u8 *copy = kmemdup(val, len, GFP_KERNEL);
 
 	if (copy != NULL) {
-		memcpy(copy, val, len);
 		rc = dccp_feat_change(dmsk, type, feat, copy, len, GFP_KERNEL);
 		if (rc)
 			kfree(copy);