diff options
| author | FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2007-10-26 07:56:24 -0400 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2007-10-29 04:18:03 -0400 |
| commit | 5336940dd8b11180a0340ba886db62f728377d19 (patch) | |
| tree | b382a134c814c6067adecc6522a2b90092ab5b03 /mm/backing-dev.c | |
| parent | 9335432959111c982c74177521305e6a3fb600a3 (diff) | |
x86: fix pci-gart failure handling
blk_rq_map_sg doesn't initialize sg->dma_address/length to zero
anymore. Some low level drivers reuse sg lists without initializing so
IOMMUs might get non-zero dma_address/length. If map_sg fails, we need
pass the number of the mapped entries to gart_unmap_sg.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'mm/backing-dev.c')
0 files changed, 0 insertions, 0 deletions