PNP: simplify PNPBIOS insert_device
Hoist the struct pnp_dev alloc up into the function where it's used.
Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Adam Belay <ambx1@neo.rr.com>
Cc: Len Brown <lenb@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c
index 4e9fd37..e33e03f 100644
--- a/drivers/pnp/pnpbios/core.c
+++ b/drivers/pnp/pnpbios/core.c
@@ -315,25 +315,31 @@
.disable = pnpbios_disable_resources,
};
-static int insert_device(struct pnp_dev *dev, struct pnp_bios_node *node)
+static int insert_device(struct pnp_bios_node *node)
{
struct list_head *pos;
- struct pnp_dev *pnp_dev;
+ struct pnp_dev *dev;
struct pnp_id *dev_id;
char id[8];
/* check if the device is already added */
- dev->number = node->handle;
list_for_each(pos, &pnpbios_protocol.devices) {
- pnp_dev = list_entry(pos, struct pnp_dev, protocol_list);
- if (dev->number == pnp_dev->number)
+ dev = list_entry(pos, struct pnp_dev, protocol_list);
+ if (dev->number == node->handle)
return -1;
}
- /* set the initial values for the PnP device */
- dev_id = kzalloc(sizeof(struct pnp_id), GFP_KERNEL);
- if (!dev_id)
+ dev = kzalloc(sizeof(struct pnp_dev), GFP_KERNEL);
+ if (!dev)
return -1;
+
+ dev_id = kzalloc(sizeof(struct pnp_id), GFP_KERNEL);
+ if (!dev_id) {
+ kfree(dev);
+ return -1;
+ }
+
+ dev->number = node->handle;
pnpid32_to_pnpid(node->eisa_id, id);
memcpy(dev_id->id, id, 7);
pnp_add_id(dev_id, dev);
@@ -367,7 +373,6 @@
unsigned int nodes_got = 0;
unsigned int devs = 0;
struct pnp_bios_node *node;
- struct pnp_dev *dev;
node = kzalloc(node_info.max_node_size, GFP_KERNEL);
if (!node)
@@ -388,12 +393,7 @@
break;
}
nodes_got++;
- dev = kzalloc(sizeof(struct pnp_dev), GFP_KERNEL);
- if (!dev)
- break;
- if (insert_device(dev, node) < 0)
- kfree(dev);
- else
+ if (insert_device(node) == 0)
devs++;
if (nodenum <= thisnodenum) {
printk(KERN_ERR