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authorMichael S. Tsirkin <mst@mellanox.co.il>2006-01-05 16:17:38 -0800
committerRoland Dreier <rolandd@cisco.com>2006-01-05 16:17:38 -0800
commit466200562ccd80f728f7ef602d2b97b4fdedd566 (patch)
tree7bfbd22c9f888add6ec57852738fcd62530cbeb2 /drivers/infiniband/hw
parent38d1e793471d95728219f500bbb8bd25658d73b0 (diff)
downloadop-kernel-dev-466200562ccd80f728f7ef602d2b97b4fdedd566.zip
op-kernel-dev-466200562ccd80f728f7ef602d2b97b4fdedd566.tar.gz
IB/mthca: create_eq with size not a power of 2
Fix mthca_create_eq for when the EQ size is not a power of 2. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw')
-rw-r--r--drivers/infiniband/hw/mthca/mthca_eq.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_eq.c b/drivers/infiniband/hw/mthca/mthca_eq.c
index 34d68e5..e8a948f 100644
--- a/drivers/infiniband/hw/mthca/mthca_eq.c
+++ b/drivers/infiniband/hw/mthca/mthca_eq.c
@@ -484,8 +484,7 @@ static int __devinit mthca_create_eq(struct mthca_dev *dev,
u8 intr,
struct mthca_eq *eq)
{
- int npages = (nent * MTHCA_EQ_ENTRY_SIZE + PAGE_SIZE - 1) /
- PAGE_SIZE;
+ int npages;
u64 *dma_list = NULL;
dma_addr_t t;
struct mthca_mailbox *mailbox;
@@ -496,6 +495,7 @@ static int __devinit mthca_create_eq(struct mthca_dev *dev,
eq->dev = dev;
eq->nent = roundup_pow_of_two(max(nent, 2));
+ npages = ALIGN(eq->nent * MTHCA_EQ_ENTRY_SIZE, PAGE_SIZE) / PAGE_SIZE;
eq->page_list = kmalloc(npages * sizeof *eq->page_list,
GFP_KERNEL);
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