linux-kernel - [patch] iommu/vt-d: fix a loop in prq_event

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Message-ID: <20151017051847.GA13372@mwanda>
Date:	Sat, 17 Oct 2015 08:18:47 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Joerg Roedel <joro@...tes.org>,
	David Woodhouse <David.Woodhouse@...el.com>
Cc:	iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: [patch] iommu/vt-d: fix a loop in prq_event_thread()

There is an extra semi-colon on this if statement so we always break on
the first iteration.

Fixes: 0204a4960982 ('iommu/vt-d: Add callback to device driver on page faults')
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

diff --git a/drivers/iommu/intel-svm.c b/drivers/iommu/intel-svm.c
index 99a7803..dd070e6 100644
--- a/drivers/iommu/intel-svm.c
+++ b/drivers/iommu/intel-svm.c
@@ -536,7 +536,7 @@ static irqreturn_t prq_event_thread(int irq, void *d)
 		/* Accounting for major/minor faults? */
 		rcu_read_lock();
 		list_for_each_entry_rcu(sdev, &svm->devs, list) {
-			if (sdev->sid == PCI_DEVID(req->bus, req->devfn));
+			if (sdev->sid == PCI_DEVID(req->bus, req->devfn))
 				break;
 		}
 		/* Other devices can go away, but the drivers are not permitted
--
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