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(parent: 3743b08) | patch
powerpc/dma: fix an off-by-one in dma_capable
authorChristoph Hellwig <hch@lst.de>
Wed, 13 Feb 2019 07:01:21 +0000 (08:01 +0100)
committerMichael Ellerman <mpe@ellerman.id.au>
Mon, 18 Feb 2019 11:41:03 +0000 (22:41 +1100)
commit905395d377953136948c3e46a679277dd9bc2118
tree9bde6e9eed69e9a34714af83075687f9944f2c0ctree | snapshot
parent3743b086fc4030ba32b7d1d226d2390455706730commit | diff
powerpc/dma: fix an off-by-one in dma_capable

We need to compare the last byte in the dma range and not the one after it
for the bus_dma_mask, just like we do for the regular dma_mask.  Fix this
cleanly by merging the two comparisms into one.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Christian Zigotzky <chzigotzky@xenosoft.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
arch/powerpc/include/asm/dma-direct.h diff | blob | history
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