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

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

Signed-off-by: Joerg Roedel <jroedel@suse.de>
(cherry picked from commit 9db4ad9183)
Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>

BUG=chrome-os-partner:37894
TEST=sanity check ui

Change-Id: I07886249ad38c2e57c4a30c13abda88f8496fc93
Reviewed-on: https://chromium-review.googlesource.com/261505
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Trybot-Ready: Douglas Anderson <dianders@chromium.org>
Commit-Queue: Daniel Kurtz <djkurtz@chromium.org>
Trybot-Ready: Daniel Kurtz <djkurtz@chromium.org>
Tested-by: Daniel Kurtz <djkurtz@chromium.org>
This commit is contained in:
Daniel Kurtz
2015-03-20 23:40:18 +08:00
committed by ChromeOS Commit Bot
parent 1e5a616927
commit 964084acea
1 changed files with 1 additions and 1 deletions
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2
drivers/iommu/iommu.c
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@@ -822,7 +822,7 @@ 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;