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IB/mthca: Fix allocation of ICM chunks in coherent memory

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The change to allow allocating ICM chunks from coherent memory did not
increment the count of sg entries properly, so a chunk that required
more than allocation would not be mapped properly by the HCA.

Fix this by adding the missing increment of chunk->nsg.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Roland Dreier 2007-02-16 13:57:33 -08:00
parent fc89afce34
commit 11282b32a4
1 changed files with 3 additions and 1 deletions
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4
drivers/infiniband/hw/mthca/mthca_memfree.c
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@ -175,7 +175,9 @@ struct mthca_icm *mthca_alloc_icm(struct mthca_dev *dev, int npages,
if (!ret) {
++chunk->npages;
if (!coherent && chunk->npages == MTHCA_ICM_CHUNK_LEN) {
if (coherent)
++chunk->nsg;
else if (chunk->npages == MTHCA_ICM_CHUNK_LEN) {
chunk->nsg = pci_map_sg(dev->pdev, chunk->mem,
chunk->npages,
PCI_DMA_BIDIRECTIONAL);