diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-28 12:33:59 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-28 12:33:59 -0800 |
commit | 1d248b2593e92db6c51ca07235985a95c625a93f (patch) | |
tree | 4eceeb4eadb8a6339e0f83d0cad166f88d888557 /drivers/infiniband/hw/ipath/ipath_sdma.c | |
parent | 1db2a5c11e495366bff35cf7445d494703f7febe (diff) | |
parent | 2a0d8366dde9c66d8f481bee56828b661e5c8bf1 (diff) |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (26 commits)
IB/mlx4: Set ownership bit correctly when copying CQEs during CQ resize
RDMA/nes: Remove tx_free_list
RDMA/cma: Add IPv6 support
RDMA/addr: Add support for translating IPv6 addresses
mlx4_core: Delete incorrect comment
mlx4_core: Add support for multiple completion event vectors
IB/iser: Avoid recv buffer exhaustion caused by unexpected PDUs
IB/ehca: Remove redundant test of vpage
IB/ehca: Replace modulus operations in flush error completion path
IB/ipath: Add locking for interrupt use of ipath_pd contexts vs free
IB/ipath: Fix spi_pioindex value
IB/ipath: Only do 1X workaround on rev1 chips
IB/ipath: Don't count IB symbol and link errors unless link is UP
IB/ipath: Check return value of dma_map_single()
IB/ipath: Fix PSN of send WQEs after an RDMA read resend
RDMA/nes: Cleanup warnings
RDMA/nes: Add loopback check to make_cm_node()
RDMA/nes: Check cqp_avail_reqs is empty after locking the list
RDMA/nes: Fix TCP compliance test failures
RDMA/nes: Forward packets for a new connection with stale APBVT entry
...
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_sdma.c')
-rw-r--r-- | drivers/infiniband/hw/ipath/ipath_sdma.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_sdma.c b/drivers/infiniband/hw/ipath/ipath_sdma.c index 284c9bca517..8e255adf5d9 100644 --- a/drivers/infiniband/hw/ipath/ipath_sdma.c +++ b/drivers/infiniband/hw/ipath/ipath_sdma.c @@ -698,10 +698,8 @@ retry: addr = dma_map_single(&dd->pcidev->dev, tx->txreq.map_addr, tx->map_len, DMA_TO_DEVICE); - if (dma_mapping_error(&dd->pcidev->dev, addr)) { - ret = -EIO; - goto unlock; - } + if (dma_mapping_error(&dd->pcidev->dev, addr)) + goto ioerr; dwoffset = tx->map_len >> 2; make_sdma_desc(dd, sdmadesc, (u64) addr, dwoffset, 0); @@ -741,6 +739,8 @@ retry: dw = (len + 3) >> 2; addr = dma_map_single(&dd->pcidev->dev, sge->vaddr, dw << 2, DMA_TO_DEVICE); + if (dma_mapping_error(&dd->pcidev->dev, addr)) + goto unmap; make_sdma_desc(dd, sdmadesc, (u64) addr, dw, dwoffset); /* SDmaUseLargeBuf has to be set in every descriptor */ if (tx->txreq.flags & IPATH_SDMA_TXREQ_F_USELARGEBUF) @@ -798,7 +798,18 @@ retry: list_add_tail(&tx->txreq.list, &dd->ipath_sdma_activelist); if (tx->txreq.flags & IPATH_SDMA_TXREQ_F_VL15) vl15_watchdog_enq(dd); - + goto unlock; + +unmap: + while (tail != dd->ipath_sdma_descq_tail) { + if (!tail) + tail = dd->ipath_sdma_descq_cnt - 1; + else + tail--; + unmap_desc(dd, tail); + } +ioerr: + ret = -EIO; unlock: spin_unlock_irqrestore(&dd->ipath_sdma_lock, flags); fail: |