diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-21 16:46:08 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-12-21 16:46:08 +0100 |
| commit | cd6a22310ec2a70092e136d0cd65bb77c1502521 (patch) | |
| tree | c01fa788b27b240c7b426d7f329d92bd58c7b8f5 /kernel/dma/direct.c | |
| parent | 1e12a521d6917004f8b95a3b5864b92edc2694c8 (diff) | |
| parent | 177c459b08a34dcf004aa9a4c1f1d8be682ff3af (diff) | |
Merge USB 4.20-rc8 mergepoint into usb-next
We need the USB changes in here for additional patches to be able to
apply cleanly.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/dma/direct.c')
| -rw-r--r-- | kernel/dma/direct.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/dma/direct.c b/kernel/dma/direct.c index 22a12ab5a5e9..375c77e8d52f 100644 --- a/kernel/dma/direct.c +++ b/kernel/dma/direct.c @@ -309,7 +309,12 @@ int dma_direct_supported(struct device *dev, u64 mask) min_mask = min_t(u64, min_mask, (max_pfn - 1) << PAGE_SHIFT); - return mask >= phys_to_dma(dev, min_mask); + /* + * This check needs to be against the actual bit mask value, so + * use __phys_to_dma() here so that the SME encryption mask isn't + * part of the check. + */ + return mask >= __phys_to_dma(dev, min_mask); } int dma_direct_mapping_error(struct device *dev, dma_addr_t dma_addr) |