linux-kernel - [patch] [IA64] fix SN_DMA

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Message-ID: <20160715211215.GD19522@mwanda>
Date:	Sat, 16 Jul 2016 00:12:15 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Tony Luck <tony.luck@...el.com>, Mark Maule <maule@....com>
Cc:	Fenghua Yu <fenghua.yu@...el.com>, linux-ia64@...r.kernel.org,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [patch] [IA64] fix SN_DMA_ADDRTYPE() condition

The parentheses are in the wrong place so it causes a static checker
warning.  It means we don't mask away the high bits of dma_flags before
doing the comparison.

Fixes: 83821d3f558d ('[PATCH] PCI: altix: msi support')
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

diff --git a/arch/ia64/sn/pci/pcibr/pcibr_dma.c b/arch/ia64/sn/pci/pcibr/pcibr_dma.c
index 1e863b2..71c9bf3 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_dma.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_dma.c
@@ -82,7 +82,7 @@ pcibr_dmamap_ate32(struct pcidev_info *info,
 	if (IS_PCIX(pcibus_info))
 		ate_flags &= ~(PCI32_ATE_PREF);
 
-	if (SN_DMA_ADDRTYPE(dma_flags == SN_DMA_ADDR_PHYS))
+	if (SN_DMA_ADDRTYPE(dma_flags) == SN_DMA_ADDR_PHYS)
 		xio_addr = IS_PIC_SOFT(pcibus_info) ? PHYS_TO_DMA(paddr) :
 	    					      PHYS_TO_TIODMA(paddr);
 	else