diff options
Diffstat (limited to 'drivers/net/ppp_generic.c')
| -rw-r--r-- | drivers/net/ppp_generic.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c index 1b2c29150202..e7b4187da057 100644 --- a/drivers/net/ppp_generic.c +++ b/drivers/net/ppp_generic.c @@ -69,7 +69,6 @@ #define MPHDRLEN 6 /* multilink protocol header length */ #define MPHDRLEN_SSN 4 /* ditto with short sequence numbers */ -#define MIN_FRAG_SIZE 64 /* * An instance of /dev/ppp can be associated with either a ppp @@ -539,14 +538,9 @@ static int get_filter(void __user *arg, struct sock_filter **p) } len = uprog.len * sizeof(struct sock_filter); - code = kmalloc(len, GFP_KERNEL); - if (code == NULL) - return -ENOMEM; - - if (copy_from_user(code, uprog.filter, len)) { - kfree(code); - return -EFAULT; - } + code = memdup_user(uprog.filter, len); + if (IS_ERR(code)) + return PTR_ERR(code); err = sk_chk_filter(code, uprog.len); if (err) { @@ -1933,9 +1927,9 @@ ppp_receive_mp_frame(struct ppp *ppp, struct sk_buff *skb, struct channel *pch) /* If the queue is getting long, don't wait any longer for packets before the start of the queue. */ if (skb_queue_len(&ppp->mrq) >= PPP_MP_MAX_QLEN) { - struct sk_buff *skb = skb_peek(&ppp->mrq); - if (seq_before(ppp->minseq, skb->sequence)) - ppp->minseq = skb->sequence; + struct sk_buff *mskb = skb_peek(&ppp->mrq); + if (seq_before(ppp->minseq, mskb->sequence)) + ppp->minseq = mskb->sequence; } /* Pull completed packets off the queue and receive them. */ |