Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932274Ab0BBTME (ORCPT ); Tue, 2 Feb 2010 14:12:04 -0500 Received: from g6t0184.atlanta.hp.com ([15.193.32.61]:12114 "EHLO g6t0184.atlanta.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932209Ab0BBTIT (ORCPT ); Tue, 2 Feb 2010 14:08:19 -0500 Subject: [PATCH v2 04/18] IB/uverbs: use stack variable 'base' in ib_uverbs_add_one To: rdreier@cisco.com From: Alex Chiang Cc: linux-rdma@vger.kernel.org, justin.chen@hp.com, linux-kernel@vger.kernel.org Date: Tue, 02 Feb 2010 12:08:04 -0700 Message-ID: <20100202190804.28217.62413.stgit@bob.kio> In-Reply-To: <20100202185235.28217.64521.stgit@bob.kio> References: <20100202185235.28217.64521.stgit@bob.kio> User-Agent: StGit/0.15 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1678 Lines: 44 This change is not useful by itself, but sets us up for a future change that allows us to support more than IB_UVERBS_MAX_DEVICES in a system. Signed-off-by: Alex Chiang --- drivers/infiniband/core/uverbs_main.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index acae9ed..8c594cd 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -731,6 +731,7 @@ static CLASS_ATTR(abi_version, S_IRUGO, show_abi_version, NULL); static void ib_uverbs_add_one(struct ib_device *device) { int devnum; + dev_t base; struct ib_uverbs_device *uverbs_dev; if (!device->alloc_ucontext) @@ -750,6 +751,7 @@ static void ib_uverbs_add_one(struct ib_device *device) goto err; } uverbs_dev->devnum = devnum; + base = devnum + IB_UVERBS_BASE_DEV; set_bit(devnum, dev_map); spin_unlock(&map_lock); @@ -760,7 +762,7 @@ static void ib_uverbs_add_one(struct ib_device *device) uverbs_dev->cdev.owner = THIS_MODULE; uverbs_dev->cdev.ops = device->mmap ? &uverbs_mmap_fops : &uverbs_fops; kobject_set_name(&uverbs_dev->cdev.kobj, "uverbs%d", uverbs_dev->devnum); - if (cdev_add(&uverbs_dev->cdev, IB_UVERBS_BASE_DEV + devnum, 1)) + if (cdev_add(&uverbs_dev->cdev, base, 1)) goto err_cdev; uverbs_dev->dev = device_create(uverbs_class, device->dma_device, -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/