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-rw-r--r--drivers/net/ethernet/chelsio/cxgb4/sge.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c
index bb7851e0b4c6..e8e90ce3ae15 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c
@@ -2258,7 +2258,7 @@ static u64 udb_address(struct adapter *adap, unsigned int cntxt_id,
(QUEUESPERPAGEPF1 - QUEUESPERPAGEPF0) * adap->fn);
udb_density = 1 << ((qpp >> s_qpp) & QUEUESPERPAGEPF0_MASK);
qpshift = PAGE_SHIFT - ilog2(udb_density);
- udb = cntxt_id << qpshift;
+ udb = (u64)cntxt_id << qpshift;
udb &= PAGE_MASK;
page = udb / PAGE_SIZE;
udb += (cntxt_id - (page * udb_density)) * SGE_UDB_SIZE;