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authorPaolo Bonzini <pbonzini@redhat.com>2016-01-26 16:28:36 +0100
committerPaolo Bonzini <pbonzini@redhat.com>2016-01-26 16:28:36 +0100
commitb8bc3bde9c8c90500c648627d53f846642ff8639 (patch)
tree0c3ed82848a25948206556bc699a10d30bd18d07 /lib/dma-debug.c
parentMerge branch 'kvm-ppc-next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc into HEAD (diff)
parentKVM: s390: fix memory overwrites when vx is disabled (diff)
downloadlinux-rng-b8bc3bde9c8c90500c648627d53f846642ff8639.tar.xz
linux-rng-b8bc3bde9c8c90500c648627d53f846642ff8639.zip
Merge tag 'kvm-s390-master-4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD
KVM: s390: Fixes for kvm/master (targeting 4.5) 1. Fallout of some bigger floating point/vector rework in s390 - memory leak -> stable 4.3+ - memory overwrite -> stable 4.4+ 2. enable KVM-VFIO for s390
Diffstat (limited to 'lib/dma-debug.c')
-rw-r--r--lib/dma-debug.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/dma-debug.c b/lib/dma-debug.c
index 8855f019ebe8..d34bd24c2c84 100644
--- a/lib/dma-debug.c
+++ b/lib/dma-debug.c
@@ -1464,7 +1464,7 @@ void debug_dma_alloc_coherent(struct device *dev, size_t size,
entry->type = dma_debug_coherent;
entry->dev = dev;
entry->pfn = page_to_pfn(virt_to_page(virt));
- entry->offset = (size_t) virt & PAGE_MASK;
+ entry->offset = (size_t) virt & ~PAGE_MASK;
entry->size = size;
entry->dev_addr = dma_addr;
entry->direction = DMA_BIDIRECTIONAL;
@@ -1480,7 +1480,7 @@ void debug_dma_free_coherent(struct device *dev, size_t size,
.type = dma_debug_coherent,
.dev = dev,
.pfn = page_to_pfn(virt_to_page(virt)),
- .offset = (size_t) virt & PAGE_MASK,
+ .offset = (size_t) virt & ~PAGE_MASK,
.dev_addr = addr,
.size = size,
.direction = DMA_BIDIRECTIONAL,