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| author | Bjorn Helgaas <bjorn.helgaas@hp.com> | 2007-10-17 10:31:11 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-17 19:43:04 +0400 |
| commit | 36405e96c8090fc8fc05d56755645a5821c98992 (patch) | |
| tree | f42a54834a6200e04483b703c1395cdb2bb109b1 /drivers/pnp/pnpbios/core.c | |
| parent | b933e19d32edce2f310dfe0fd943e32ff9798b60 (diff) | |
| download | linux-36405e96c8090fc8fc05d56755645a5821c98992.tar.xz | |
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>
Diffstat (limited to 'drivers/pnp/pnpbios/core.c')
| -rw-r--r-- | drivers/pnp/pnpbios/core.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c index 4e9fd37cff35..e33e03f71084 100644 --- a/drivers/pnp/pnpbios/core.c +++ b/drivers/pnp/pnpbios/core.c @@ -315,25 +315,31 @@ struct pnp_protocol pnpbios_protocol = { .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 = kzalloc(sizeof(struct pnp_dev), GFP_KERNEL); + if (!dev) + return -1; + dev_id = kzalloc(sizeof(struct pnp_id), GFP_KERNEL); - if (!dev_id) + 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 @@ static void __init build_devlist(void) 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 @@ static void __init build_devlist(void) 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 |