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IB/ucm: Use stack variable 'base' in ib_ucm_add_one 

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>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Alexander Chiang 2010-02-02 19:09:00 +00:00 committed by Roland Dreier
parent dd08f702dd
commit 31d14b6e10
1 changed files with 3 additions and 1 deletions
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4
drivers/infiniband/core/ucm.c
View File

@ -1240,6 +1240,7 @@ static DEVICE_ATTR(ibdev, S_IRUGO, show_ibdev, NULL);
static void ib_ucm_add_one(struct ib_device *device) static void ib_ucm_add_one(struct ib_device *device)
{ {
int devnum; int devnum;
dev_t base;
struct ib_ucm_device *ucm_dev; struct ib_ucm_device *ucm_dev;
if (!device->alloc_ucontext || if (!device->alloc_ucontext ||
@ -1257,12 +1258,13 @@ static void ib_ucm_add_one(struct ib_device *device)
goto err; goto err;
ucm_dev->devnum = devnum; ucm_dev->devnum = devnum;
base = devnum + IB_UCM_BASE_DEV;
set_bit(devnum, dev_map); set_bit(devnum, dev_map);
cdev_init(&ucm_dev->cdev, &ucm_fops); cdev_init(&ucm_dev->cdev, &ucm_fops);
ucm_dev->cdev.owner = THIS_MODULE; ucm_dev->cdev.owner = THIS_MODULE;
kobject_set_name(&ucm_dev->cdev.kobj, "ucm%d", ucm_dev->devnum); 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; goto err;
ucm_dev->dev.class = &cm_class; ucm_dev->dev.class = &cm_class;