diff options
| author | David S. Miller <davem@davemloft.net> | 2010-04-11 02:44:30 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-04-11 02:44:30 -0700 |
| commit | 4a1032faac94ebbf647460ae3e06fc21146eb280 (patch) | |
| tree | 7f31b97beb0406faa1523e619289ad0ab07c9787 /drivers/pci/setup-res.c | |
| parent | ae4e8d63b5619d4d95f1d2bfa2b836caa6e62d06 (diff) | |
| parent | 0eddb519b9127c73d53db4bf3ec1d45b13f844d1 (diff) | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'drivers/pci/setup-res.c')
| -rw-r--r-- | drivers/pci/setup-res.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/pci/setup-res.c b/drivers/pci/setup-res.c index 7d678bb15ffb..17bed18d24ad 100644 --- a/drivers/pci/setup-res.c +++ b/drivers/pci/setup-res.c @@ -93,8 +93,7 @@ void pci_update_resource(struct pci_dev *dev, int resno) int pci_claim_resource(struct pci_dev *dev, int resource) { struct resource *res = &dev->resource[resource]; - struct resource *root; - int err; + struct resource *root, *conflict; root = pci_find_parent_resource(dev, res); if (!root) { @@ -103,12 +102,15 @@ int pci_claim_resource(struct pci_dev *dev, int resource) return -EINVAL; } - err = request_resource(root, res); - if (err) + conflict = request_resource_conflict(root, res); + if (conflict) { dev_err(&dev->dev, - "address space collision: %pR already in use\n", res); + "address space collision: %pR conflicts with %s %pR\n", + res, conflict->name, conflict); + return -EBUSY; + } - return err; + return 0; } EXPORT_SYMBOL(pci_claim_resource); |