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authorSteve Wise <swise@opengridcomputing.com>2018-06-21 07:43:21 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-07-17 11:37:53 +0200
commit70c89bccb516af8694c50ba73b553278d7afaed4 (patch)
tree0a1583a24e4cff6fa3efa1ef78f286cd41d26b0c
parente78e3706bfba8b7865b7a52b3d1f4643e31c2197 (diff)
downloadlinux-linaro-stable-70c89bccb516af8694c50ba73b553278d7afaed4.tar.gz
iw_cxgb4: correctly enforce the max reg_mr depth
commit 7b72717a20bba8bdd01b14c0460be7d15061cd6b upstream. 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: 8376b86de7d3 ("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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/infiniband/hw/cxgb4/mem.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c
index 410408f886c1..0c215353adb9 100644
--- a/drivers/infiniband/hw/cxgb4/mem.c
+++ b/drivers/infiniband/hw/cxgb4/mem.c
@@ -724,7 +724,7 @@ 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;