From: Joerg Roedel <jroedel@suse.de>
Date: Mon, 18 Aug 2014 22:19:26 +0000 (+0200)
Subject: iommu/core: Check for the right function pointer in iommu_map()
X-Git-Tag: v4.9.8~5836^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9db4ad9183aad0e9567f6afb23db1bdc9aa6c2a9;p=platform%2Fkernel%2Flinux-rpi3.git

iommu/core: Check for the right function pointer in iommu_map()

Check for the ->map and not the ->unmap pointer.

Signed-off-by: Joerg Roedel <jroedel@suse.de>
---

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 1698360..ac4adb3 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -995,7 +995,7 @@ int iommu_map(struct iommu_domain *domain, unsigned long iova,
 	size_t orig_size = size;
 	int ret = 0;
 
-	if (unlikely(domain->ops->unmap == NULL ||
+	if (unlikely(domain->ops->map == NULL ||
 		     domain->ops->pgsize_bitmap == 0UL))
 		return -ENODEV;