diff options
author | Shiraz Saleem <shiraz.saleem@intel.com> | 2019-03-28 11:49:44 -0500 |
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committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-03-28 14:13:27 -0300 |
commit | 5f818d676ac455bbc812ffaaf5bf780be5465114 (patch) | |
tree | 771a34951dad757965e4d609398f5eff95a1e99c /drivers/infiniband/hw/mthca | |
parent | 5aa8484080115cff2da68080ad1d115613648504 (diff) |
RDMA/cxbg: Use correct sizing on buffers holding page DMA addresses
The PBL array that hold the page DMA address is sized off umem->nmap.
This can potentially cause out of bound accesses on the PBL array when
iterating the umem DMA-mapped SGL. This is because if umem pages are
combined, umem->nmap can be much lower than the number of system pages
in umem.
Use ib_umem_num_pages() to size this array.
Cc: Potnuri Bharat Teja <bharat@chelsio.com>
Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/mthca')
0 files changed, 0 insertions, 0 deletions