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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-27 18:28:00 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-27 18:28:00 -0700
commit22cdbd1d5789cc16c37102eb6f62c3ae377b849e (patch)
treef86d3d798351c4bde69afbfa80e940aad01abaad /drivers/net/mlx4
parent55f335a8857db2ee22c068e7ab7141fc79928296 (diff)
parentce45b873028fdf94a24f0850cd554e6fda593e16 (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (108 commits) ehea: Fixing statistics bonding: Fix lockdep warning after bond_vlan_rx_register() tunnels: Fix tunnels change rcu protection caif-u5500: Build config for CAIF shared mem driver caif-u5500: CAIF shared memory mailbox interface caif-u5500: CAIF shared memory transport protocol caif-u5500: Adding shared memory include drivers/isdn: delete double assignment drivers/net/typhoon.c: delete double assignment drivers/net/sb1000.c: delete double assignment qlcnic: define valid vlan id range qlcnic: reduce rx ring size qlcnic: fix mac learning ehea: fix use after free inetpeer: __rcu annotations fib_rules: __rcu annotates ctarget tunnels: add __rcu annotations net: add __rcu annotations to protocol ipv4: add __rcu annotations to routes.c qlge: bugfix: Restoring the vlan setting. ...
Diffstat (limited to 'drivers/net/mlx4')
-rw-r--r--drivers/net/mlx4/icm.c28
-rw-r--r--drivers/net/mlx4/icm.h2
-rw-r--r--drivers/net/mlx4/port.c11
3 files changed, 12 insertions, 29 deletions
diff --git a/drivers/net/mlx4/icm.c b/drivers/net/mlx4/icm.c
index b07e4de..02393fd 100644
--- a/drivers/net/mlx4/icm.c
+++ b/drivers/net/mlx4/icm.c
@@ -210,38 +210,12 @@ static int mlx4_MAP_ICM(struct mlx4_dev *dev, struct mlx4_icm *icm, u64 virt)
return mlx4_map_cmd(dev, MLX4_CMD_MAP_ICM, icm, virt);
}
-int mlx4_UNMAP_ICM(struct mlx4_dev *dev, u64 virt, u32 page_count)
+static int mlx4_UNMAP_ICM(struct mlx4_dev *dev, u64 virt, u32 page_count)
{
return mlx4_cmd(dev, virt, page_count, 0, MLX4_CMD_UNMAP_ICM,
MLX4_CMD_TIME_CLASS_B);
}
-int mlx4_MAP_ICM_page(struct mlx4_dev *dev, u64 dma_addr, u64 virt)
-{
- struct mlx4_cmd_mailbox *mailbox;
- __be64 *inbox;
- int err;
-
- mailbox = mlx4_alloc_cmd_mailbox(dev);
- if (IS_ERR(mailbox))
- return PTR_ERR(mailbox);
- inbox = mailbox->buf;
-
- inbox[0] = cpu_to_be64(virt);
- inbox[1] = cpu_to_be64(dma_addr);
-
- err = mlx4_cmd(dev, mailbox->dma, 1, 0, MLX4_CMD_MAP_ICM,
- MLX4_CMD_TIME_CLASS_B);
-
- mlx4_free_cmd_mailbox(dev, mailbox);
-
- if (!err)
- mlx4_dbg(dev, "Mapped page at %llx to %llx for ICM.\n",
- (unsigned long long) dma_addr, (unsigned long long) virt);
-
- return err;
-}
-
int mlx4_MAP_ICM_AUX(struct mlx4_dev *dev, struct mlx4_icm *icm)
{
return mlx4_map_cmd(dev, MLX4_CMD_MAP_ICM_AUX, icm, -1);
diff --git a/drivers/net/mlx4/icm.h b/drivers/net/mlx4/icm.h
index ab56a2f..b10c07a 100644
--- a/drivers/net/mlx4/icm.h
+++ b/drivers/net/mlx4/icm.h
@@ -128,8 +128,6 @@ static inline unsigned long mlx4_icm_size(struct mlx4_icm_iter *iter)
return sg_dma_len(&iter->chunk->mem[iter->page_idx]);
}
-int mlx4_UNMAP_ICM(struct mlx4_dev *dev, u64 virt, u32 page_count);
-int mlx4_MAP_ICM_page(struct mlx4_dev *dev, u64 dma_addr, u64 virt);
int mlx4_MAP_ICM_AUX(struct mlx4_dev *dev, struct mlx4_icm *icm);
int mlx4_UNMAP_ICM_AUX(struct mlx4_dev *dev);
diff --git a/drivers/net/mlx4/port.c b/drivers/net/mlx4/port.c
index 56371ef..4513395 100644
--- a/drivers/net/mlx4/port.c
+++ b/drivers/net/mlx4/port.c
@@ -111,6 +111,12 @@ int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *index)
goto out;
}
}
+
+ if (free < 0) {
+ err = -ENOMEM;
+ goto out;
+ }
+
mlx4_dbg(dev, "Free MAC index is %d\n", free);
if (table->total == table->max) {
@@ -224,6 +230,11 @@ int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index)
}
}
+ if (free < 0) {
+ err = -ENOMEM;
+ goto out;
+ }
+
if (table->total == table->max) {
/* No free vlan entries */
err = -ENOSPC;