git.monstr.eu Git - linux-2.6-microblaze.git/commit

author	Christoph Hellwig <hch@lst.de>
	Mon, 14 Jan 2019 20:14:08 +0000 (21:14 +0100)
committer	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
	Wed, 16 Jan 2019 14:59:17 +0000 (09:59 -0500)
commit	227a76b64718888c1687cc237463aa000ae6fb2b
tree	baf6e0b03405ea007bd7865f1ca75d80fab44001	tree \| snapshot
parent	1c7fc5cbc33980acd13d668f1c8f0313d6ae9fd8	commit \| diff

swiotlb: clear io_tlb_start and io_tlb_end in swiotlb_exit

Otherwise is_swiotlb_buffer will return false positives when
we first initialize a swiotlb buffer, but then free it because
we have an IOMMU available.

Fixes: 55897af63091 ("dma-direct: merge swiotlb_dma_ops into the dma_direct code")
Reported-by: Sibren Vasse <sibren@sibrenvasse.nl>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Sibren Vasse <sibren@sibrenvasse.nl>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>