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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-10-27 13:37:40 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-10-27 13:37:40 -0300
commitbadc0e42604c4465facd81d2323e98b3b1eb9188 (patch)
treee61811e7ddf70517f4b546d522ba3b630b38f50f /lib
parentf19866e5cb04f8f007cb422132ea4611cdacc8e3 (diff)
Linux-libre 4.2.4-gnupck-4.2.4-gnu
Diffstat (limited to 'lib')
-rw-r--r--lib/iommu-common.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/iommu-common.c b/lib/iommu-common.c
index ff19f66d3..b1c93e94c 100644
--- a/lib/iommu-common.c
+++ b/lib/iommu-common.c
@@ -21,8 +21,7 @@ static DEFINE_PER_CPU(unsigned int, iommu_hash_common);
static inline bool need_flush(struct iommu_map_table *iommu)
{
- return (iommu->lazy_flush != NULL &&
- (iommu->flags & IOMMU_NEED_FLUSH) != 0);
+ return ((iommu->flags & IOMMU_NEED_FLUSH) != 0);
}
static inline void set_flush(struct iommu_map_table *iommu)
@@ -211,7 +210,8 @@ unsigned long iommu_tbl_range_alloc(struct device *dev,
goto bail;
}
}
- if (n < pool->hint || need_flush(iommu)) {
+ if (iommu->lazy_flush &&
+ (n < pool->hint || need_flush(iommu))) {
clear_flush(iommu);
iommu->lazy_flush(iommu);
}