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authorChris Zankel <chris@zankel.net>2015-08-29 23:55:58 (GMT)
committerChris Zankel <chris@zankel.net>2015-08-29 23:55:58 (GMT)
commit650c919798c71fb34b77a6f2ba03a06907f06a76 (patch)
treed1c60012d4d86846d25f1d0b783b5122c26a2e31 /drivers/infiniband/hw/cxgb3/iwch_provider.c
parent895fb3159280fe7695b35ec7c87ec19e13ca5b6e (diff)
parent64291f7db5bd8150a74ad2036f1037e6a0428df2 (diff)
downloadlinux-650c919798c71fb34b77a6f2ba03a06907f06a76.tar.xz
Merge tag 'v4.2' into for_next
Linux 4.2
Diffstat (limited to 'drivers/infiniband/hw/cxgb3/iwch_provider.c')
-rw-r--r--drivers/infiniband/hw/cxgb3/iwch_provider.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index b1b7323..bbbe018 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -736,6 +736,10 @@ static struct ib_mr *iwch_get_dma_mr(struct ib_pd *pd, int acc)
/*
* T3 only supports 32 bits of size.
*/
+ if (sizeof(phys_addr_t) > 4) {
+ pr_warn_once(MOD "Cannot support dma_mrs on this platform.\n");
+ return ERR_PTR(-ENOTSUPP);
+ }
bl.size = 0xffffffff;
bl.addr = 0;
kva = 0;