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authorSteven Whitehouse <swhiteho@redhat.com>2006-07-31 08:59:59 -0400
committerSteven Whitehouse <swhiteho@redhat.com>2006-07-31 08:59:59 -0400
commitb1b934d31d8a608fe69fc56d6e539548b55b0601 (patch)
treee8206589759c732a3a9b70b3feeb9ef50dc3c6b3 /drivers/infiniband/hw/ipath/ipath_keys.c
parent5dd9feafb351a8bf304292623cbc63335c34d279 (diff)
parentb6ff50833ad43a8ebd9b16bf53c334f7aaf33c41 (diff)
downloadlinux-b1b934d31d8a608fe69fc56d6e539548b55b0601.tar.gz
linux-b1b934d31d8a608fe69fc56d6e539548b55b0601.tar.xz
Merge branch 'master'
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_keys.c')
-rw-r--r--drivers/infiniband/hw/ipath/ipath_keys.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_keys.c b/drivers/infiniband/hw/ipath/ipath_keys.c
index 46773c673a1a..a5ca279370aa 100644
--- a/drivers/infiniband/hw/ipath/ipath_keys.c
+++ b/drivers/infiniband/hw/ipath/ipath_keys.c
@@ -197,6 +197,21 @@ int ipath_rkey_ok(struct ipath_ibdev *dev, struct ipath_sge_state *ss,
size_t off;
int ret;
+ /*
+ * We use RKEY == zero for physical addresses
+ * (see ipath_get_dma_mr).
+ */
+ if (rkey == 0) {
+ sge->mr = NULL;
+ sge->vaddr = phys_to_virt(vaddr);
+ sge->length = len;
+ sge->sge_length = len;
+ ss->sg_list = NULL;
+ ss->num_sge = 1;
+ ret = 1;
+ goto bail;
+ }
+
mr = rkt->table[(rkey >> (32 - ib_ipath_lkey_table_size))];
if (unlikely(mr == NULL || mr->lkey != rkey)) {
ret = 0;