lkml.org 
[lkml]   [2010]   [Feb]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Subject[PATCH v2 15/18] IB/ucm: use stack variable 'base' in ib_ucm_add_one
From
Date
This change is not useful by itself, but sets us up for a future change
that allows us to support more than IB_UCM_MAX_DEVICES.

Signed-off-by: Alex Chiang <achiang@hp.com>
---

drivers/infiniband/core/ucm.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/infiniband/core/ucm.c b/drivers/infiniband/core/ucm.c
index 7ff3300..06c50d8 100644
--- a/drivers/infiniband/core/ucm.c
+++ b/drivers/infiniband/core/ucm.c
@@ -1240,6 +1240,7 @@ static DEVICE_ATTR(ibdev, S_IRUGO, show_ibdev, NULL);
static void ib_ucm_add_one(struct ib_device *device)
{
int devnum;
+ dev_t base;
struct ib_ucm_device *ucm_dev;

if (!device->alloc_ucontext ||
@@ -1257,12 +1258,13 @@ static void ib_ucm_add_one(struct ib_device *device)
goto err;

ucm_dev->devnum = devnum;
+ base = devnum + IB_UCM_BASE_DEV;
set_bit(devnum, dev_map);

cdev_init(&ucm_dev->cdev, &ucm_fops);
ucm_dev->cdev.owner = THIS_MODULE;
kobject_set_name(&ucm_dev->cdev.kobj, "ucm%d", ucm_dev->devnum);
- if (cdev_add(&ucm_dev->cdev, IB_UCM_BASE_DEV + devnum, 1))
+ if (cdev_add(&ucm_dev->cdev, base, 1))
goto err;

ucm_dev->dev.class = &cm_class;


\
 
 \ /
  Last update: 2010-02-02 20:11    [W:0.082 / U:0.260 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site