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>
This commit is contained in:
parent
38707980c4
commit
ddbd688301
1 changed files with 3 additions and 1 deletions
|
@ -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,
|
||||
|
|
Reference in a new issue