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authorDavid S. Miller <davem@davemloft.net>2011-12-23 17:13:56 -0500
committerDavid S. Miller <davem@davemloft.net>2011-12-23 17:13:56 -0500
commitabb434cb0539fb355c1c921f8fd761efbbac3462 (patch)
tree24a7d99ec161f8fd4dc9ff03c9c4cc93be883ce6 /net/core
parent2494654d4890316e7340fb8b3458daad0474a1b9 (diff)
parent6350323ad8def2ac00d77cdee3b79c9b9fba75c4 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: net/bluetooth/l2cap_core.c Just two overlapping changes, one added an initialization of a local variable, and another change added a new local variable. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
-rw-r--r--net/core/flow.c12
-rw-r--r--net/core/net-sysfs.c7
-rw-r--r--net/core/sock.c6
3 files changed, 18 insertions, 7 deletions
diff --git a/net/core/flow.c b/net/core/flow.c
index 8ae42de9c79..e318c7e9804 100644
--- a/net/core/flow.c
+++ b/net/core/flow.c
@@ -358,6 +358,18 @@ void flow_cache_flush(void)
put_online_cpus();
}
+static void flow_cache_flush_task(struct work_struct *work)
+{
+ flow_cache_flush();
+}
+
+static DECLARE_WORK(flow_cache_flush_work, flow_cache_flush_task);
+
+void flow_cache_flush_deferred(void)
+{
+ schedule_work(&flow_cache_flush_work);
+}
+
static int __cpuinit flow_cache_cpu_prepare(struct flow_cache *fc, int cpu)
{
struct flow_cache_percpu *fcp = per_cpu_ptr(fc->percpu, cpu);
diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c
index 9d134636f87..4b4d0b0a354 100644
--- a/net/core/net-sysfs.c
+++ b/net/core/net-sysfs.c
@@ -669,11 +669,14 @@ static ssize_t store_rps_dev_flow_table_cnt(struct netdev_rx_queue *queue,
if (count) {
int i;
- if (count > 1<<30) {
+ if (count > INT_MAX)
+ return -EINVAL;
+ count = roundup_pow_of_two(count);
+ if (count > (ULONG_MAX - sizeof(struct rps_dev_flow_table))
+ / sizeof(struct rps_dev_flow)) {
/* Enforce a limit to prevent overflow */
return -EINVAL;
}
- count = roundup_pow_of_two(count);
table = vmalloc(RPS_DEV_FLOW_TABLE_SIZE(count));
if (!table)
return -ENOMEM;
diff --git a/net/core/sock.c b/net/core/sock.c
index 0c67facf42f..002939cfc06 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -339,11 +339,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb)
unsigned long flags;
struct sk_buff_head *list = &sk->sk_receive_queue;
- /* Cast sk->rcvbuf to unsigned... It's pointless, but reduces
- number of warnings when compiling with -W --ANK
- */
- if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
- (unsigned)sk->sk_rcvbuf) {
+ if (atomic_read(&sk->sk_rmem_alloc) >= sk->sk_rcvbuf) {
atomic_inc(&sk->sk_drops);
trace_sock_rcvqueue_full(sk, skb);
return -ENOMEM;