From: Pan Bian <bianpan2016@163.com>
To: David Woodhouse <dwmw2@infradead.org>, Joerg Roedel <joro@8bytes.org>
Cc: iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org
Subject: [PATCH] iommu: use memunmap to free memremap
Date: Wed, 21 Nov 2018 17:53:47 +0800 [thread overview]
Message-ID: <1542794027-93141-1-git-send-email-bianpan2016@163.com> (raw)
memunmap() should be used to free the return of memremap(), not
iounmap().
Fixes: dfddb969edf0("iommu/vt-d: Switch from ioremap_cache to memremap")
Signed-off-by: Pan Bian <bianpan2016@163.com>
---
drivers/iommu/intel-iommu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index f3ccf02..41a4b88 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -3075,7 +3075,7 @@ static int copy_context_table(struct intel_iommu *iommu,
}
if (old_ce)
- iounmap(old_ce);
+ memunmap(old_ce);
ret = 0;
if (devfn < 0x80)
--
2.7.4
next reply other threads:[~2018-11-21 9:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-21 9:53 Pan Bian [this message]
2018-11-22 16:03 ` Joerg Roedel
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