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authorChristoph Hellwig <hch@lst.de>2018-12-16 10:23:28 +0100
committerChristoph Hellwig <hch@lst.de>2018-12-19 18:00:40 +0100
commit6c503d0d88db9d57c1dc4c87175c94766b6a6c61 (patch)
treee0107b0da7888fe0fc28ea6b4516e02f075e7996 /arch/parisc/kernel/pci-dma.c
parentsparc/io-unit: fix ->map_sg return value (diff)
downloadlinux-dev-6c503d0d88db9d57c1dc4c87175c94766b6a6c61.tar.xz
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sparc/iommu: fix ->map_sg return value
Just decrementing the sz value will lead to an incorrect return value. Instead of just introducing a local variable switch to the standard for_each_sg helper and standard naming of the arguments. Fixes: ce65d36f3e ("sparc: remove the sparc32_dma_ops indirection") Reported-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Sam Ravnborg <sam@ravnborg.org>
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