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-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/cmd.c11
-rw-r--r--drivers/net/ethernet/realtek/r8169.c4
-rw-r--r--drivers/net/phy/mdio-sun4i.c14
-rw-r--r--net/core/skbuff.c3
-rw-r--r--net/ipv4/fib_trie.c2
-rw-r--r--net/ipv6/ip6mr.c5
6 files changed, 23 insertions, 16 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
index 205753a04cfc..40374063c01e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c
@@ -1113,7 +1113,13 @@ void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, unsigned long vector)
for (i = 0; i < (1 << cmd->log_sz); i++) {
if (test_bit(i, &vector)) {
+ struct semaphore *sem;
+
ent = cmd->ent_arr[i];
+ if (ent->page_queue)
+ sem = &cmd->pages_sem;
+ else
+ sem = &cmd->sem;
ktime_get_ts(&ent->ts2);
memcpy(ent->out->first.data, ent->lay->out, sizeof(ent->lay->out));
dump_command(dev, ent, 0);
@@ -1136,10 +1142,7 @@ void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, unsigned long vector)
} else {
complete(&ent->done);
}
- if (ent->page_queue)
- up(&cmd->pages_sem);
- else
- up(&cmd->sem);
+ up(sem);
}
}
}
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 4106a743ca74..880015cae6a3 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -6468,6 +6468,8 @@ static int rtl8169_close(struct net_device *dev)
rtl8169_down(dev);
rtl_unlock_work(tp);
+ cancel_work_sync(&tp->wk.work);
+
free_irq(pdev->irq, dev);
dma_free_coherent(&pdev->dev, R8169_RX_RING_BYTES, tp->RxDescArray,
@@ -6793,8 +6795,6 @@ static void rtl_remove_one(struct pci_dev *pdev)
rtl8168_driver_stop(tp);
}
- cancel_work_sync(&tp->wk.work);
-
netif_napi_del(&tp->napi);
unregister_netdev(dev);
diff --git a/drivers/net/phy/mdio-sun4i.c b/drivers/net/phy/mdio-sun4i.c
index 61d3f4ebf52e..7f25e49ae37f 100644
--- a/drivers/net/phy/mdio-sun4i.c
+++ b/drivers/net/phy/mdio-sun4i.c
@@ -40,7 +40,7 @@ struct sun4i_mdio_data {
static int sun4i_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
{
struct sun4i_mdio_data *data = bus->priv;
- unsigned long start_jiffies;
+ unsigned long timeout_jiffies;
int value;
/* issue the phy address and reg */
@@ -49,10 +49,9 @@ static int sun4i_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
writel(0x1, data->membase + EMAC_MAC_MCMD_REG);
/* Wait read complete */
- start_jiffies = jiffies;
+ timeout_jiffies = jiffies + MDIO_TIMEOUT;
while (readl(data->membase + EMAC_MAC_MIND_REG) & 0x1) {
- if (time_after(start_jiffies,
- start_jiffies + MDIO_TIMEOUT))
+ if (time_is_before_jiffies(timeout_jiffies))
return -ETIMEDOUT;
msleep(1);
}
@@ -69,7 +68,7 @@ static int sun4i_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
u16 value)
{
struct sun4i_mdio_data *data = bus->priv;
- unsigned long start_jiffies;
+ unsigned long timeout_jiffies;
/* issue the phy address and reg */
writel((mii_id << 8) | regnum, data->membase + EMAC_MAC_MADR_REG);
@@ -77,10 +76,9 @@ static int sun4i_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
writel(0x1, data->membase + EMAC_MAC_MCMD_REG);
/* Wait read complete */
- start_jiffies = jiffies;
+ timeout_jiffies = jiffies + MDIO_TIMEOUT;
while (readl(data->membase + EMAC_MAC_MIND_REG) & 0x1) {
- if (time_after(start_jiffies,
- start_jiffies + MDIO_TIMEOUT))
+ if (time_is_before_jiffies(timeout_jiffies))
return -ETIMEDOUT;
msleep(1);
}
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 20e02d2605ec..3df4d4ccf440 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -309,7 +309,8 @@ EXPORT_SYMBOL(__alloc_skb);
* @frag_size: size of fragment, or 0 if head was kmalloced
*
* Allocate a new &sk_buff. Caller provides space holding head and
- * skb_shared_info. @data must have been allocated by kmalloc()
+ * skb_shared_info. @data must have been allocated by kmalloc() only if
+ * @frag_size is 0, otherwise data should come from the page allocator.
* The return is the new skb buffer.
* On a failure the return is %NULL, and @data is not freed.
* Notes :
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 49616fed9340..108a1e9c9eac 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -2133,7 +2133,7 @@ static void trie_show_stats(struct seq_file *seq, struct trie_stat *stat)
max--;
pointers = 0;
- for (i = 1; i <= max; i++)
+ for (i = 1; i < max; i++)
if (stat->nodesizes[i] != 0) {
seq_printf(seq, " %u: %u", i, stat->nodesizes[i]);
pointers += (1<<i) * stat->nodesizes[i];
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index 583e8d435f9a..03986d31fa41 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -259,10 +259,12 @@ static void __net_exit ip6mr_rules_exit(struct net *net)
{
struct mr6_table *mrt, *next;
+ rtnl_lock();
list_for_each_entry_safe(mrt, next, &net->ipv6.mr6_tables, list) {
list_del(&mrt->list);
ip6mr_free_table(mrt);
}
+ rtnl_unlock();
fib_rules_unregister(net->ipv6.mr6_rules_ops);
}
#else
@@ -289,7 +291,10 @@ static int __net_init ip6mr_rules_init(struct net *net)
static void __net_exit ip6mr_rules_exit(struct net *net)
{
+ rtnl_lock();
ip6mr_free_table(net->ipv6.mrt6);
+ net->ipv6.mrt6 = NULL;
+ rtnl_unlock();
}
#endif
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