fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / drivers / pnp / pnpbios / core.c

diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c
index b154b3f..95738db 100644 (file)
--- a/drivers/pnp/pnpbios/core.c
+++ b/drivers/pnp/pnpbios/core.c
@@ -61,6 +61,7 @@
 #include <linux/dmi.h>
 #include <linux/delay.h>
 #include <linux/acpi.h>
+#include <linux/freezer.h>
 
 #include <asm/page.h>
 #include <asm/desc.h>
@@ -108,10 +109,10 @@ static int pnp_dock_event(int dock, struct pnp_docking_station_info *info)
        if (!current->fs->root) {
                return -EAGAIN;
        }
-       if (!(envp = (char **) kcalloc (20, sizeof (char *), GFP_KERNEL))) {
+       if (!(envp = kcalloc(20, sizeof (char *), GFP_KERNEL))) {
                return -ENOMEM;
        }
-       if (!(buf = kcalloc (1, 256, GFP_KERNEL))) {
+       if (!(buf = kzalloc(256, GFP_KERNEL))) {
                kfree (envp);
                return -ENOMEM;
        }
@@ -219,7 +220,7 @@ static int pnpbios_get_resources(struct pnp_dev * dev, struct pnp_resource_table
        if(!pnpbios_is_dynamic(dev))
                return -EPERM;
 
-       node = kcalloc(1, node_info.max_node_size, GFP_KERNEL);
+       node = kzalloc(node_info.max_node_size, GFP_KERNEL);
        if (!node)
                return -1;
        if (pnp_bios_get_dev_node(&nodenum, (char )PNPMODE_DYNAMIC, node)) {
@@ -242,7 +243,7 @@ static int pnpbios_set_resources(struct pnp_dev * dev, struct pnp_resource_table
        if (!pnpbios_is_dynamic(dev))
                return -EPERM;
 
-       node = kcalloc(1, node_info.max_node_size, GFP_KERNEL);
+       node = kzalloc(node_info.max_node_size, GFP_KERNEL);
        if (!node)
                return -1;
        if (pnp_bios_get_dev_node(&nodenum, (char )PNPMODE_DYNAMIC, node)) {
@@ -293,7 +294,7 @@ static int pnpbios_disable_resources(struct pnp_dev *dev)
        if(dev->flags & PNPBIOS_NO_DISABLE || !pnpbios_is_dynamic(dev))
                return -EPERM;
 
-       node = kcalloc(1, node_info.max_node_size, GFP_KERNEL);
+       node = kzalloc(node_info.max_node_size, GFP_KERNEL);
        if (!node)
                return -ENOMEM;
 
@@ -335,7 +336,7 @@ static int insert_device(struct pnp_dev *dev, struct pnp_bios_node * node)
        }
 
        /* set the initial values for the PnP device */
-       dev_id = kcalloc(1, sizeof(struct pnp_id), GFP_KERNEL);
+       dev_id = kzalloc(sizeof(struct pnp_id), GFP_KERNEL);
        if (!dev_id)
                return -1;
        pnpid32_to_pnpid(node->eisa_id,id);
@@ -346,7 +347,7 @@ static int insert_device(struct pnp_dev *dev, struct pnp_bios_node * node)
        dev->flags = node->flags;
        if (!(dev->flags & PNPBIOS_NO_CONFIG))
                dev->capabilities |= PNP_CONFIGURABLE;
-       if (!(dev->flags & PNPBIOS_NO_DISABLE))
+       if (!(dev->flags & PNPBIOS_NO_DISABLE) && pnpbios_is_dynamic(dev))
                dev->capabilities |= PNP_DISABLE;
        dev->capabilities |= PNP_READ;
        if (pnpbios_is_dynamic(dev))
@@ -373,7 +374,7 @@ static void __init build_devlist(void)
        struct pnp_bios_node *node;
        struct pnp_dev *dev;
 
-       node = kcalloc(1, node_info.max_node_size, GFP_KERNEL);
+       node = kzalloc(node_info.max_node_size, GFP_KERNEL);
        if (!node)
                return;
 
@@ -390,7 +391,7 @@ static void __init build_devlist(void)
                                break;
                }
                nodes_got++;
-               dev =  kcalloc(1, sizeof (struct pnp_dev), GFP_KERNEL);
+               dev =  kzalloc(sizeof (struct pnp_dev), GFP_KERNEL);
                if (!dev)
                        break;
                if(insert_device(dev,node)<0)
@@ -526,7 +527,12 @@ static int __init pnpbios_init(void)
 {
        int ret;
 
-       if (pnpbios_disabled || dmi_check_system(pnpbios_dmi_table)) {
+#if defined(CONFIG_PPC_MERGE)
+       if (check_legacy_ioport(PNPBIOS_BASE))
+               return -ENODEV;
+#endif
+       if (pnpbios_disabled || dmi_check_system(pnpbios_dmi_table) ||
+           paravirt_enabled()) {
                printk(KERN_INFO "PnPBIOS: Disabled\n");
                return -ENODEV;
        }
@@ -575,6 +581,10 @@ subsys_initcall(pnpbios_init);
 
 static int __init pnpbios_thread_init(void)
 {
+#if defined(CONFIG_PPC_MERGE)
+       if (check_legacy_ioport(PNPBIOS_BASE))
+               return 0;
+#endif
        if (pnpbios_disabled)
                return 0;
 #ifdef CONFIG_HOTPLUG