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hinic: Use the bitmap API when applicable

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[ Upstream commit 7c2c57263a ]

'vlan_bitmap' is a bitmap and is used as such. So allocate it with
devm_bitmap_zalloc() and its explicit bit size (i.e. VLAN_N_VID).

This avoids the need of the VLAN_BITMAP_SIZE macro which:
   - needlessly has a 'nic_dev' parameter
   - should be "long" (and not byte) aligned, so that the bitmap semantic
     is respected

This is in fact not an issue because VLAN_N_VID is 4096 at the time
being, but devm_bitmap_zalloc() is less verbose and easier to understand.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/6ff7b7d21414240794a77dc2456914412718a145.1656260842.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Christophe JAILLET
2022-06-26 18:27:45 +02:00
committed by Greg Kroah-Hartman
parent 26a10aef28
commit 8369a39b52
1 changed files with 2 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/net/ethernet/huawei/hinic/hinic_main.c
View File

@@ -62,8 +62,6 @@ MODULE_PARM_DESC(rx_weight, "Number Rx packets for NAPI budget (default=64)");
#define HINIC_LRO_RX_TIMER_DEFAULT 16
#define VLAN_BITMAP_SIZE(nic_dev) (ALIGN(VLAN_N_VID, 8) / 8)
#define work_to_rx_mode_work(work) \
container_of(work, struct hinic_rx_mode_work, work)
@@ -1248,9 +1246,8 @@ static int nic_dev_init(struct pci_dev *pdev)
u64_stats_init(&tx_stats->syncp);
u64_stats_init(&rx_stats->syncp);
nic_dev->vlan_bitmap = devm_kzalloc(&pdev->dev,
VLAN_BITMAP_SIZE(nic_dev),
GFP_KERNEL);
nic_dev->vlan_bitmap = devm_bitmap_zalloc(&pdev->dev, VLAN_N_VID,
GFP_KERNEL);
if (!nic_dev->vlan_bitmap) {
err = -ENOMEM;
goto err_vlan_bitmap;