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Commit 46620056 authored by Michael S. Tsirkin's avatar Michael S. Tsirkin Committed by Roland Dreier
Browse files

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: default avatarMichael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: default avatarRoland Dreier <rolandd@cisco.com>
parent 38d1e793

drivers/infiniband/hw/mthca/mthca_eq.c

+2 −2
Original line number Diff line number Diff line
@@ -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);