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-rw-r--r--net/sunrpc/xprtrdma/verbs.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 13dbd1c..176dafc 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -1388,6 +1388,9 @@ rpcrdma_register_internal(struct rpcrdma_ia *ia, void *va, int len,
*/
iov->addr = ib_dma_map_single(ia->ri_id->device,
va, len, DMA_BIDIRECTIONAL);
+ if (ib_dma_mapping_error(ia->ri_id->device, iov->addr))
+ return -ENOMEM;
+
iov->length = len;
if (ia->ri_have_dma_lkey) {
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