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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-06-24 09:42:15 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-06-24 09:42:15 -0700
commitb2510b1696730307e7a388ea04132236ab45ac20 (patch)
treebfdf9d950f52f1fba9316452b9576e561dca42d3 /drivers/net
parentc8cbee61c9d53ee28473ad33bbb54f6a88f5e3af (diff)
parent5b5a60da281c767196427ce8144deae6ec46b389 (diff)
downloadlinux-2.6.38-lt-ux500-b2510b1696730307e7a388ea04132236ab45ac20.tar.gz
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [NET]: Make skb_seq_read unmap the last fragment [NET]: Re-enable irqs before pushing pending DMA requests [TCP] tcp_read_sock: Allow recv_actor() return return negative error value. [PPP]: Fix osize too small errors when decoding mppe. [PPP]: Revert 606f585e363527da9feaed79465132c0c661fd9e [TIPC]: Fix infinite loop in netlink handler [SKBUFF]: Fix incorrect config #ifdef around skb_copy_secmark [IPV4]: include sysctl.h from inetdevice.h [IPV6] NDISC: Fix thinko to control Router Preference support. [NETFILTER]: nfctnetlink: Don't allow to change helper [NETFILTER]: nf_conntrack_sip: add missing message types containing RTP info
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ppp_generic.c13
-rw-r--r--drivers/net/ppp_mppe.c10
2 files changed, 17 insertions, 6 deletions
diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index 541168713f1..3ef0092dc09 100644
--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -1708,7 +1708,18 @@ ppp_decompress_frame(struct ppp *ppp, struct sk_buff *skb)
goto err;
if (proto == PPP_COMP) {
- ns = dev_alloc_skb(ppp->mru + PPP_HDRLEN);
+ int obuff_size;
+
+ switch(ppp->rcomp->compress_proto) {
+ case CI_MPPE:
+ obuff_size = ppp->mru + PPP_HDRLEN + 1;
+ break;
+ default:
+ obuff_size = ppp->mru + PPP_HDRLEN;
+ break;
+ }
+
+ ns = dev_alloc_skb(obuff_size);
if (ns == 0) {
printk(KERN_ERR "ppp_decompress_frame: no memory\n");
goto err;
diff --git a/drivers/net/ppp_mppe.c b/drivers/net/ppp_mppe.c
index 5ae80bbe2ed..d5bdd257465 100644
--- a/drivers/net/ppp_mppe.c
+++ b/drivers/net/ppp_mppe.c
@@ -493,14 +493,14 @@ mppe_decompress(void *arg, unsigned char *ibuf, int isize, unsigned char *obuf,
/*
* Make sure we have enough room to decrypt the packet.
- * To account for possible PFC we should only subtract 1
- * byte whereas in mppe_compress() we added 2 bytes (+MPPE_OVHD);
- * However, we assume no PFC, thus subtracting 2 bytes.
+ * Note that for our test we only subtract 1 byte whereas in
+ * mppe_compress() we added 2 bytes (+MPPE_OVHD);
+ * this is to account for possible PFC.
*/
- if (osize < isize - MPPE_OVHD - 2) {
+ if (osize < isize - MPPE_OVHD - 1) {
printk(KERN_DEBUG "mppe_decompress[%d]: osize too small! "
"(have: %d need: %d)\n", state->unit,
- osize, isize - MPPE_OVHD - 2);
+ osize, isize - MPPE_OVHD - 1);
return DECOMP_ERROR;
}
osize = isize - MPPE_OVHD - 2; /* assume no PFC */