[PATCH rdma-core 5/5] libhns: Bugfix for useing buffer length

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We should use the length of buffer after aligned according the
input size for ibv_dontfork_range function.

Fix: c24583975044("libhns: Add verbs of qp support")

Signed-off-by: Lijun Ou <oulijun@xxxxxxxxxx>
---
 providers/hns/hns_roce_u_buf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/providers/hns/hns_roce_u_buf.c b/providers/hns/hns_roce_u_buf.c
index f92ea65..27ed90c 100644
--- a/providers/hns/hns_roce_u_buf.c
+++ b/providers/hns/hns_roce_u_buf.c
@@ -46,7 +46,7 @@ int hns_roce_alloc_buf(struct hns_roce_buf *buf, unsigned int size,
 	if (buf->buf == MAP_FAILED)
 		return errno;
 
-	ret = ibv_dontfork_range(buf->buf, size);
+	ret = ibv_dontfork_range(buf->buf, buf->length);
 	if (ret)
 		munmap(buf->buf, buf->length);
 
-- 
2.8.1




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