mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-14 06:35:12 +00:00
Code Issues Releases Wiki Activity

RDMA/umem: Use ib_dma_max_seg_size instead of dma_get_max_seg_size

Browse source 
RDMA ULPs must not call DMA mapping APIs directly but instead use the
ib_dma_* wrappers.

Fixes: 0c16d9635e ("RDMA/umem: Move to allocate SG table from pages")
Link: https://lore.kernel.org/r/20201106181941.1878556-3-hch@lst.de
Reported-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Christoph Hellwig 2020-11-06 19:19:33 +01:00 committed by Jason Gunthorpe
parent fbb7dc5db6
commit b116c70279
1 changed files with 4 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
drivers/infiniband/core/umem.c
View file

@ -229,10 +229,10 @@ struct ib_umem *ib_umem_get(struct ib_device *device, unsigned long addr,
cur_base += ret * PAGE_SIZE;
npages -= ret;
sg = __sg_alloc_table_from_pages(
&umem->sg_head, page_list, ret, 0, ret << PAGE_SHIFT,
dma_get_max_seg_size(device->dma_device), sg, npages,
GFP_KERNEL);
sg = __sg_alloc_table_from_pages(&umem->sg_head, page_list, ret,
0, ret << PAGE_SHIFT,
ib_dma_max_seg_size(device), sg, npages,
GFP_KERNEL);
umem->sg_nents = umem->sg_head.nents;
if (IS_ERR(sg)) {
unpin_user_pages_dirty_lock(page_list, ret, 0);