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iw_cxgb4: correctly enforce the max reg_mr depth

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The code was mistakenly using the length of the page array memory instead
of the depth of the page array.

This would cause MR creation to fail in some cases.

Fixes: 8376b86de7 ("iw_cxgb4: Support the new memory registration API")
Cc: stable@vger.kernel.org
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Steve Wise
2018-06-21 07:43:21 -07:00
committed by Jason Gunthorpe
parent 6f0d349d92
commit 7b72717a20
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/hw/cxgb4/mem.c
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@@ -774,7 +774,7 @@ static int c4iw_set_page(struct ib_mr *ibmr, u64 addr)
{
struct c4iw_mr *mhp = to_c4iw_mr(ibmr);
if (unlikely(mhp->mpl_len == mhp->max_mpl_len))
if (unlikely(mhp->mpl_len == mhp->attr.pbl_size))
return -ENOMEM;
mhp->mpl[mhp->mpl_len++] = addr;