diff options
| author | Bjorn Helgaas <bjorn.helgaas@hp.com> | 2007-08-15 10:32:13 -0600 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2007-08-24 01:27:24 -0400 |
| commit | b173491339b9ae7f1322241ce6228c1268513a39 (patch) | |
| tree | dca8b3a7021d7957d60023e34ac96a9df5215421 /drivers/pnp/core.c | |
| parent | 4f0217e30249ac0eb13b65ef64f2aee627465da2 (diff) | |
| download | lwn-b173491339b9ae7f1322241ce6228c1268513a39.tar.gz lwn-b173491339b9ae7f1322241ce6228c1268513a39.zip | |
PNP: remove null pointer checks
Remove some null pointer checks. Null pointers in these areas indicate
programming errors, and I think it's better to oops immediately rather
than return an error that is easily ignored.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Acked-by: Adam Belay <abelay@novell.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/pnp/core.c')
| -rw-r--r-- | drivers/pnp/core.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/pnp/core.c b/drivers/pnp/core.c index 61066fdb9e6d..d5964feb14de 100644 --- a/drivers/pnp/core.c +++ b/drivers/pnp/core.c @@ -52,9 +52,6 @@ int pnp_register_protocol(struct pnp_protocol *protocol) int nodenum; struct list_head *pos; - if (!protocol) - return -EINVAL; - INIT_LIST_HEAD(&protocol->devices); INIT_LIST_HEAD(&protocol->cards); nodenum = 0; @@ -94,8 +91,6 @@ static void pnp_free_ids(struct pnp_dev *dev) struct pnp_id *id; struct pnp_id *next; - if (!dev) - return; id = dev->id; while (id) { next = id->next; @@ -143,7 +138,7 @@ int __pnp_add_device(struct pnp_dev *dev) */ int pnp_add_device(struct pnp_dev *dev) { - if (!dev || !dev->protocol || dev->card) + if (dev->card) return -EINVAL; dev->dev.parent = &dev->protocol->dev; sprintf(dev->dev.bus_id, "%02x:%02x", dev->protocol->number, |