diff options
| author |   Alexander Chiang <achiang@hp.com> | 2010-02-02 19:08:04 +0000 |
|---|---|---|
| committer |   Roland Dreier <rolandd@cisco.com> | 2010-02-24 10:23:40 -0800 |
| commit | ddbd6883013dcc9f9ca5c0b26f79d9334a95926c (patch) | |
| tree | 755aa7301cab6a8ed417b55c7d8cd3c7b721e99d /drivers/infiniband/core | |
| parent | IB/uverbs: Use stack variable 'devnum' in ib_uverbs_add_one (diff) | |
| download | linux-dev-ddbd6883013dcc9f9ca5c0b26f79d9334a95926c.tar.xz linux-dev-ddbd6883013dcc9f9ca5c0b26f79d9334a95926c.zip | |
IB/uverbs: use stack variable 'base' in ib_uverbs_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_UVERBS_MAX_DEVICES in a system.
Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/core')
| -rw-r--r-- | 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 acae9ed05728..8c594cde8a1d 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, |