From: Hariprasad Shenai Date: Fri, 5 Jun 2015 09:06:33 +0000 (+0530) Subject: cxgb4: Fix static checker warning X-Git-Tag: firefly_0821_release~176^2~1587^2~130 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=513d1a1d1c6be58668188e44cdadcb43061dd43c;p=firefly-linux-kernel-4.4.55.git cxgb4: Fix static checker warning The patch e85c9a7abfa4: ("cxgb4/cxgb4vf: Add code to calculate T5 BAR2 Offsets for SGE Queue Registers") from Dec 3, 2014, leads to the following static checker warning: drivers/net/ethernet/chelsio/cxgb4/t4_hw.c:5358 t4_bar2_sge_qregs() warn: should '(qid >> qpp_shift) << page_shift' be a 64 bit type? This patch fixes it Signed-off-by: Hariprasad Shenai Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index b4110988536d..fdda0f8c5a19 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -6053,7 +6053,7 @@ int t4_bar2_sge_qregs(struct adapter *adapter, * o The BAR2 Queue ID. * o The BAR2 Queue ID Offset into the BAR2 page. */ - bar2_page_offset = ((qid >> qpp_shift) << page_shift); + bar2_page_offset = ((u64)(qid >> qpp_shift) << page_shift); bar2_qid = qid & qpp_mask; bar2_qid_offset = bar2_qid * SGE_UDB_SIZE;