diff options
| -rw-r--r-- | net/dccp/feat.c | 12 |
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); |