| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20190304085700.88095-1-andriy.shevchenko@linux.intel.com>
Date: Mon, 4 Mar 2019 10:57:00 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
Saeed Mahameed <saeedm@...lanox.com>,
Leon Romanovsky <leon@...nel.org>,
Jiri Pirko <jiri@...lanox.com>,
Ido Schimmel <idosch@...lanox.com>, linux-rdma@...r.kernel.org
Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH v1] mellanox: Switch to bitmap_zalloc()
Switch to bitmap_zalloc() to show clearly what we are allocating.
Besides that it returns pointer of bitmap type instead of opaque void *.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
drivers/net/ethernet/mellanox/mlx4/alloc.c | 5 ++---
drivers/net/ethernet/mellanox/mlx5/core/alloc.c | 9 +++------
drivers/net/ethernet/mellanox/mlx5/core/lib/mpfs.c | 5 ++---
drivers/net/ethernet/mellanox/mlx5/core/uar.c | 12 ++++++------
drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c | 7 +++----
5 files changed, 16 insertions(+), 22 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx4/alloc.c b/drivers/net/ethernet/mellanox/mlx4/alloc.c
index dbc483e4a2ef..b330020dc0d6 100644
--- a/drivers/net/ethernet/mellanox/mlx4/alloc.c
+++ b/drivers/net/ethernet/mellanox/mlx4/alloc.c
@@ -185,8 +185,7 @@ int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask,
bitmap->avail = num - reserved_top - reserved_bot;
bitmap->effective_len = bitmap->avail;
spin_lock_init(&bitmap->lock);
- bitmap->table = kcalloc(BITS_TO_LONGS(bitmap->max), sizeof(long),
- GFP_KERNEL);
+ bitmap->table = bitmap_zalloc(bitmap->max, GFP_KERNEL);
if (!bitmap->table)
return -ENOMEM;
@@ -197,7 +196,7 @@ int mlx4_bitmap_init(struct mlx4_bitmap *bitmap, u32 num, u32 mask,
void mlx4_bitmap_cleanup(struct mlx4_bitmap *bitmap)
{
- kfree(bitmap->table);
+ bitmap_free(bitmap->table);
}
struct mlx4_zone_allocator {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/alloc.c b/drivers/net/ethernet/mellanox/mlx5/core/alloc.c
index 421b9c3c8bf7..9008e17126db 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/alloc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/alloc.c
@@ -186,10 +186,7 @@ static struct mlx5_db_pgdir *mlx5_alloc_db_pgdir(struct mlx5_core_dev *dev,
if (!pgdir)
return NULL;
- pgdir->bitmap = kcalloc(BITS_TO_LONGS(db_per_page),
- sizeof(unsigned long),
- GFP_KERNEL);
-
+ pgdir->bitmap = bitmap_zalloc(db_per_page, GFP_KERNEL);
if (!pgdir->bitmap) {
kfree(pgdir);
return NULL;
@@ -200,7 +197,7 @@ static struct mlx5_db_pgdir *mlx5_alloc_db_pgdir(struct mlx5_core_dev *dev,
pgdir->db_page = mlx5_dma_zalloc_coherent_node(dev, PAGE_SIZE,
&pgdir->db_dma, node);
if (!pgdir->db_page) {
- kfree(pgdir->bitmap);
+ bitmap_free(pgdir->bitmap);
kfree(pgdir);
return NULL;
}
@@ -280,7 +277,7 @@ void mlx5_db_free(struct mlx5_core_dev *dev, struct mlx5_db *db)
dma_free_coherent(&(dev->pdev->dev), PAGE_SIZE,
db->u.pgdir->db_page, db->u.pgdir->db_dma);
list_del(&db->u.pgdir->list);
- kfree(db->u.pgdir->bitmap);
+ bitmap_free(db->u.pgdir->bitmap);
kfree(db->u.pgdir);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lib/mpfs.c b/drivers/net/ethernet/mellanox/mlx5/core/lib/mpfs.c
index 98359559c77e..a71d5b9c7ab2 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lib/mpfs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lib/mpfs.c
@@ -108,8 +108,7 @@ int mlx5_mpfs_init(struct mlx5_core_dev *dev)
mutex_init(&mpfs->lock);
mpfs->size = l2table_size;
- mpfs->bitmap = kcalloc(BITS_TO_LONGS(l2table_size),
- sizeof(uintptr_t), GFP_KERNEL);
+ mpfs->bitmap = bitmap_zalloc(l2table_size, GFP_KERNEL);
if (!mpfs->bitmap) {
kfree(mpfs);
return -ENOMEM;
@@ -127,7 +126,7 @@ void mlx5_mpfs_cleanup(struct mlx5_core_dev *dev)
return;
WARN_ON(!hlist_empty(mpfs->hash));
- kfree(mpfs->bitmap);
+ bitmap_free(mpfs->bitmap);
kfree(mpfs);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/uar.c b/drivers/net/ethernet/mellanox/mlx5/core/uar.c
index 8b97066dd1f1..94464723ff77 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/uar.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/uar.c
@@ -90,8 +90,8 @@ static void up_rel_func(struct kref *kref)
iounmap(up->map);
if (mlx5_cmd_free_uar(up->mdev, up->index))
mlx5_core_warn(up->mdev, "failed to free uar index %d\n", up->index);
- kfree(up->reg_bitmap);
- kfree(up->fp_bitmap);
+ bitmap_free(up->reg_bitmap);
+ bitmap_free(up->fp_bitmap);
kfree(up);
}
@@ -110,11 +110,11 @@ static struct mlx5_uars_page *alloc_uars_page(struct mlx5_core_dev *mdev,
return ERR_PTR(err);
up->mdev = mdev;
- up->reg_bitmap = kcalloc(BITS_TO_LONGS(bfregs), sizeof(unsigned long), GFP_KERNEL);
+ up->reg_bitmap = bitmap_zalloc(bfregs, GFP_KERNEL);
if (!up->reg_bitmap)
goto error1;
- up->fp_bitmap = kcalloc(BITS_TO_LONGS(bfregs), sizeof(unsigned long), GFP_KERNEL);
+ up->fp_bitmap = bitmap_zalloc(bfregs, GFP_KERNEL);
if (!up->fp_bitmap)
goto error1;
@@ -157,8 +157,8 @@ static struct mlx5_uars_page *alloc_uars_page(struct mlx5_core_dev *mdev,
if (mlx5_cmd_free_uar(mdev, up->index))
mlx5_core_warn(mdev, "failed to free uar index %d\n", up->index);
error1:
- kfree(up->fp_bitmap);
- kfree(up->reg_bitmap);
+ bitmap_free(up->fp_bitmap);
+ bitmap_free(up->reg_bitmap);
kfree(up);
return ERR_PTR(err);
}
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c
index 9d9aa28684af..46baf3b44309 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_fid.c
@@ -1188,8 +1188,7 @@ static int mlxsw_sp_fid_family_register(struct mlxsw_sp *mlxsw_sp,
fid_family->mlxsw_sp = mlxsw_sp;
INIT_LIST_HEAD(&fid_family->fids_list);
- fid_family->fids_bitmap = kcalloc(BITS_TO_LONGS(nr_fids),
- sizeof(unsigned long), GFP_KERNEL);
+ fid_family->fids_bitmap = bitmap_zalloc(nr_fids, GFP_KERNEL);
if (!fid_family->fids_bitmap) {
err = -ENOMEM;
goto err_alloc_fids_bitmap;
@@ -1206,7 +1205,7 @@ static int mlxsw_sp_fid_family_register(struct mlxsw_sp *mlxsw_sp,
return 0;
err_fid_flood_tables_init:
- kfree(fid_family->fids_bitmap);
+ bitmap_free(fid_family->fids_bitmap);
err_alloc_fids_bitmap:
kfree(fid_family);
return err;
@@ -1217,7 +1216,7 @@ mlxsw_sp_fid_family_unregister(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_fid_family *fid_family)
{
mlxsw_sp->fid_core->fid_family_arr[fid_family->type] = NULL;
- kfree(fid_family->fids_bitmap);
+ bitmap_free(fid_family->fids_bitmap);
WARN_ON_ONCE(!list_empty(&fid_family->fids_list));
kfree(fid_family);
}
--
2.20.1
Powered by blists - more mailing lists