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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-03-09 22:04:27 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-03-09 22:04:27 -0800
commitf47273e5c8f679220091335e0bed79e46237cfda (patch)
tree6a6e3d37210e723524deae2991e399e2c15d4d79
parentf4cd87aabb51fcc709b0dacc05b718c400c64172 (diff)
parentd2b02ed9487ed25832d19534575052e43f8e0c4f (diff)
downloadop-kernel-dev-f47273e5c8f679220091335e0bed79e46237cfda.zip
op-kernel-dev-f47273e5c8f679220091335e0bed79e46237cfda.tar.gz
Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [IPV6] fix ipv6_getsockopt_sticky copy_to_user leak [IPV6]: Fix for ipv6_setsockopt NULL dereference [DCCP]: Initialise write_xmit_timer also on passive sockets [IPV4]: Fix rtm_to_ifaddr() error handling.
-rw-r--r--net/dccp/dccp.h1
-rw-r--r--net/dccp/output.c16
-rw-r--r--net/dccp/timer.c25
-rw-r--r--net/ipv4/devinet.c4
-rw-r--r--net/ipv6/ipv6_sockglue.c4
5 files changed, 31 insertions, 19 deletions
diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h
index e33a9ed..a0e7cd1 100644
--- a/net/dccp/dccp.h
+++ b/net/dccp/dccp.h
@@ -191,6 +191,7 @@ extern void dccp_send_sync(struct sock *sk, const u64 seq,
const enum dccp_pkt_type pkt_type);
extern void dccp_write_xmit(struct sock *sk, int block);
+extern void dccp_write_xmit_timer(unsigned long data);
extern void dccp_write_space(struct sock *sk);
extern void dccp_init_xmit_timers(struct sock *sk);
diff --git a/net/dccp/output.c b/net/dccp/output.c
index 3282f2f..aa21cc4 100644
--- a/net/dccp/output.c
+++ b/net/dccp/output.c
@@ -213,19 +213,6 @@ do_interrupted:
goto out;
}
-static void dccp_write_xmit_timer(unsigned long data) {
- struct sock *sk = (struct sock *)data;
- struct dccp_sock *dp = dccp_sk(sk);
-
- bh_lock_sock(sk);
- if (sock_owned_by_user(sk))
- sk_reset_timer(sk, &dp->dccps_xmit_timer, jiffies+1);
- else
- dccp_write_xmit(sk, 0);
- bh_unlock_sock(sk);
- sock_put(sk);
-}
-
void dccp_write_xmit(struct sock *sk, int block)
{
struct dccp_sock *dp = dccp_sk(sk);
@@ -434,9 +421,6 @@ static inline void dccp_connect_init(struct sock *sk)
dp->dccps_gar = dp->dccps_iss;
icsk->icsk_retransmits = 0;
- init_timer(&dp->dccps_xmit_timer);
- dp->dccps_xmit_timer.data = (unsigned long)sk;
- dp->dccps_xmit_timer.function = dccp_write_xmit_timer;
}
int dccp_connect(struct sock *sk)
diff --git a/net/dccp/timer.c b/net/dccp/timer.c
index 41ea0f6..b038a0a 100644
--- a/net/dccp/timer.c
+++ b/net/dccp/timer.c
@@ -261,8 +261,33 @@ out:
sock_put(sk);
}
+/* Transmit-delay timer: used by the CCIDs to delay actual send time */
+void dccp_write_xmit_timer(unsigned long data)
+{
+ struct sock *sk = (struct sock *)data;
+ struct dccp_sock *dp = dccp_sk(sk);
+
+ bh_lock_sock(sk);
+ if (sock_owned_by_user(sk))
+ sk_reset_timer(sk, &dp->dccps_xmit_timer, jiffies+1);
+ else
+ dccp_write_xmit(sk, 0);
+ bh_unlock_sock(sk);
+ sock_put(sk);
+}
+
+static void dccp_init_write_xmit_timer(struct sock *sk)
+{
+ struct dccp_sock *dp = dccp_sk(sk);
+
+ init_timer(&dp->dccps_xmit_timer);
+ dp->dccps_xmit_timer.data = (unsigned long)sk;
+ dp->dccps_xmit_timer.function = dccp_write_xmit_timer;
+}
+
void dccp_init_xmit_timers(struct sock *sk)
{
+ dccp_init_write_xmit_timer(sk);
inet_csk_init_xmit_timers(sk, &dccp_write_timer, &dccp_delack_timer,
&dccp_keepalive_timer);
}
diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c
index e10794d..98a00d0 100644
--- a/net/ipv4/devinet.c
+++ b/net/ipv4/devinet.c
@@ -502,8 +502,10 @@ static struct in_ifaddr *rtm_to_ifaddr(struct nlmsghdr *nlh)
goto errout;
ifm = nlmsg_data(nlh);
- if (ifm->ifa_prefixlen > 32 || tb[IFA_LOCAL] == NULL)
+ if (ifm->ifa_prefixlen > 32 || tb[IFA_LOCAL] == NULL) {
+ err = -EINVAL;
goto errout;
+ }
dev = __dev_get_by_index(ifm->ifa_index);
if (dev == NULL) {
diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 4e0561a..f5f9582 100644
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -413,7 +413,7 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
}
/* routing header option needs extra check */
- if (optname == IPV6_RTHDR && opt->srcrt) {
+ if (optname == IPV6_RTHDR && opt && opt->srcrt) {
struct ipv6_rt_hdr *rthdr = opt->srcrt;
switch (rthdr->type) {
case IPV6_SRCRT_TYPE_0:
@@ -804,7 +804,7 @@ static int ipv6_getsockopt_sticky(struct sock *sk, struct ipv6_txoptions *opt,
return 0;
hdr = opt->hopopt;
- len = min_t(int, len, ipv6_optlen(hdr));
+ len = min_t(unsigned int, len, ipv6_optlen(hdr));
if (copy_to_user(optval, hdr, ipv6_optlen(hdr)))
return -EFAULT;
return len;
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