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| author | Joel Becker <jlbec@evilplan.org> | 2011-03-28 09:44:26 -0700 |
|---|---|---|
| committer | Joel Becker <jlbec@evilplan.org> | 2011-03-28 09:44:26 -0700 |
| commit | 99bdc3880c611c7f2061fbd5372ef81b40217e26 (patch) | |
| tree | ef68a53e28e9ee53ce9db3642bab5fa5b3d44866 /lib/swiotlb.c | |
| parent | ed59992e8d91b70053c53d846a76f7e1ac000454 (diff) | |
| parent | b4e1b7e88b2c87c358c2a88bec0c76d25accc604 (diff) | |
Merge branch 'mlog_replace_for_39' of git://repo.or.cz/taoma-kernel into ocfs2-merge-window-fix
Diffstat (limited to 'lib/swiotlb.c')
| -rw-r--r-- | lib/swiotlb.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/swiotlb.c b/lib/swiotlb.c index c47bbe11b804..93ca08b8a451 100644 --- a/lib/swiotlb.c +++ b/lib/swiotlb.c @@ -686,8 +686,10 @@ dma_addr_t swiotlb_map_page(struct device *dev, struct page *page, /* * Ensure that the address returned is DMA'ble */ - if (!dma_capable(dev, dev_addr, size)) - panic("map_single: bounce buffer is not DMA'ble"); + if (!dma_capable(dev, dev_addr, size)) { + swiotlb_tbl_unmap_single(dev, map, size, dir); + dev_addr = swiotlb_virt_to_bus(dev, io_tlb_overflow_buffer); + } return dev_addr; } |