linux-kernel - [PATCH 3.12 118/155] iommu/core: Check for the right function pointer in iommu

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Date:	Tue,  7 Apr 2015 14:51:27 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Joerg Roedel <jroedel@...e.de>,
	Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 118/155] iommu/core: Check for the right function pointer in iommu_map()

From: Joerg Roedel <jroedel@...e.de>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit 9db4ad9183aad0e9567f6afb23db1bdc9aa6c2a9 upstream.

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

Signed-off-by: Joerg Roedel <jroedel@...e.de>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 drivers/iommu/iommu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index fbe9ca734f8f..9d71a57c96b1 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -794,7 +794,7 @@ 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;
 
-- 
2.3.4

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