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RDMA/ocrdma: Use bitmap_zalloc() when applicable 

Use 'bitmap_zalloc()' to simplify code, improve the semantic and avoid
some open-coded arithmetic in allocator arguments.

Also change the corresponding 'kfree()' into 'bitmap_free()' to keep
consistency.

Link: https://lore.kernel.org/r/b157f9e1586fb4d1083cb4058d7ac81b10bb86d7.1637868728.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Christophe JAILLET 2021-11-25 20:34:10 +01:00 committed by Jason Gunthorpe
parent 0e938533d9
commit 27c2f5029a
1 changed files with 6 additions and 10 deletions
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16
drivers/infiniband/hw/ocrdma/ocrdma_hw.c
View File

@ -1506,7 +1506,6 @@ int ocrdma_mbx_dealloc_pd(struct ocrdma_dev *dev, struct ocrdma_pd *pd)
static int ocrdma_mbx_alloc_pd_range(struct ocrdma_dev *dev)
{
int status = -ENOMEM;
size_t pd_bitmap_size;
struct ocrdma_alloc_pd_range *cmd;
struct ocrdma_alloc_pd_range_rsp *rsp;
@ -1528,10 +1527,8 @@ static int ocrdma_mbx_alloc_pd_range(struct ocrdma_dev *dev)
dev->pd_mgr->pd_dpp_start = rsp->dpp_page_pdid &
OCRDMA_ALLOC_PD_RNG_RSP_START_PDID_MASK;
dev->pd_mgr->max_dpp_pd = rsp->pd_count;
pd_bitmap_size =
BITS_TO_LONGS(rsp->pd_count) * sizeof(long);
dev->pd_mgr->pd_dpp_bitmap = kzalloc(pd_bitmap_size,
GFP_KERNEL);
dev->pd_mgr->pd_dpp_bitmap = bitmap_zalloc(rsp->pd_count,
GFP_KERNEL);
}
kfree(cmd);
}
@ -1547,9 +1544,8 @@ static int ocrdma_mbx_alloc_pd_range(struct ocrdma_dev *dev)
dev->pd_mgr->pd_norm_start = rsp->dpp_page_pdid &
OCRDMA_ALLOC_PD_RNG_RSP_START_PDID_MASK;
dev->pd_mgr->max_normal_pd = rsp->pd_count;
pd_bitmap_size = BITS_TO_LONGS(rsp->pd_count) * sizeof(long);
dev->pd_mgr->pd_norm_bitmap = kzalloc(pd_bitmap_size,
GFP_KERNEL);
dev->pd_mgr->pd_norm_bitmap = bitmap_zalloc(rsp->pd_count,
GFP_KERNEL);
}
kfree(cmd);
@ -1611,8 +1607,8 @@ void ocrdma_alloc_pd_pool(struct ocrdma_dev *dev)
static void ocrdma_free_pd_pool(struct ocrdma_dev *dev)
{
ocrdma_mbx_dealloc_pd_range(dev);
kfree(dev->pd_mgr->pd_norm_bitmap);
kfree(dev->pd_mgr->pd_dpp_bitmap);
bitmap_free(dev->pd_mgr->pd_norm_bitmap);
bitmap_free(dev->pd_mgr->pd_dpp_bitmap);
kfree(dev->pd_mgr);
}