nfsd: nfsd should drop CAP_MKNOD for non-root

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

diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c
index 3692a09..996f648 100644 (file)
--- a/drivers/pnp/pnpbios/core.c
+++ b/drivers/pnp/pnpbios/core.c
@@ -50,7 +50,6 @@
 #include <linux/init.h>
 #include <linux/linkage.h>
 #include <linux/kernel.h>
-#include <linux/pnpbios.h>
 #include <linux/device.h>
 #include <linux/pnp.h>
 #include <linux/mm.h>
@@ -69,6 +68,7 @@
 #include <asm/system.h>
 #include <asm/byteorder.h>
 
+#include "../base.h"
 #include "pnpbios.h"
 
 /*
@@ -105,8 +105,6 @@ static int pnp_dock_event(int dock, struct pnp_docking_station_info *info)
        char *argv[3], **envp, *buf, *scratch;
        int i = 0, value;
 
-       if (!current->fs->root)
-               return -EAGAIN;
        if (!(envp = kcalloc(20, sizeof(char *), GFP_KERNEL)))
                return -ENOMEM;
        if (!(buf = kzalloc(256, GFP_KERNEL))) {
@@ -205,8 +203,7 @@ static int pnp_dock_thread(void *unused)
 
 #endif                         /* CONFIG_HOTPLUG */
 
-static int pnpbios_get_resources(struct pnp_dev *dev,
-                                struct pnp_resource_table *res)
+static int pnpbios_get_resources(struct pnp_dev *dev)
 {
        u8 nodenum = dev->number;
        struct pnp_bios_node *node;
@@ -214,6 +211,7 @@ static int pnpbios_get_resources(struct pnp_dev *dev,
        if (!pnpbios_is_dynamic(dev))
                return -EPERM;
 
+       pnp_dbg(&dev->dev, "get resources\n");
        node = kzalloc(node_info.max_node_size, GFP_KERNEL);
        if (!node)
                return -1;
@@ -221,14 +219,13 @@ static int pnpbios_get_resources(struct pnp_dev *dev,
                kfree(node);
                return -ENODEV;
        }
-       pnpbios_read_resources_from_node(res, node);
+       pnpbios_read_resources_from_node(dev, node);
        dev->active = pnp_is_active(dev);
        kfree(node);
        return 0;
 }
 
-static int pnpbios_set_resources(struct pnp_dev *dev,
-                                struct pnp_resource_table *res)
+static int pnpbios_set_resources(struct pnp_dev *dev)
 {
        u8 nodenum = dev->number;
        struct pnp_bios_node *node;
@@ -237,6 +234,7 @@ static int pnpbios_set_resources(struct pnp_dev *dev,
        if (!pnpbios_is_dynamic(dev))
                return -EPERM;
 
+       pnp_dbg(&dev->dev, "set resources\n");
        node = kzalloc(node_info.max_node_size, GFP_KERNEL);
        if (!node)
                return -1;
@@ -244,7 +242,7 @@ static int pnpbios_set_resources(struct pnp_dev *dev,
                kfree(node);
                return -ENODEV;
        }
-       if (pnpbios_write_resources_to_node(res, node) < 0) {
+       if (pnpbios_write_resources_to_node(dev, node) < 0) {
                kfree(node);
                return -1;
        }
@@ -315,28 +313,24 @@ struct pnp_protocol pnpbios_protocol = {
        .disable = pnpbios_disable_resources,
 };
 
-static int insert_device(struct pnp_dev *dev, struct pnp_bios_node *node)
+static int __init insert_device(struct pnp_bios_node *node)
 {
        struct list_head *pos;
-       struct pnp_dev *pnp_dev;
-       struct pnp_id *dev_id;
+       struct pnp_dev *dev;
        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)
+       pnp_eisa_id_to_string(node->eisa_id & PNP_EISA_ID_MASK, id);
+       dev = pnp_alloc_dev(&pnpbios_protocol, node->handle, id);
+       if (!dev)
                return -1;
-       pnpid32_to_pnpid(node->eisa_id, id);
-       memcpy(dev_id->id, id, 7);
-       pnp_add_id(dev_id, dev);
+
        pnpbios_parse_data_stream(dev, node);
        dev->active = pnp_is_active(dev);
        dev->flags = node->flags;
@@ -349,11 +343,10 @@ static int insert_device(struct pnp_dev *dev, struct pnp_bios_node *node)
                dev->capabilities |= PNP_WRITE;
        if (dev->flags & PNPBIOS_REMOVABLE)
                dev->capabilities |= PNP_REMOVABLE;
-       dev->protocol = &pnpbios_protocol;
 
        /* clear out the damaged flags */
        if (!dev->active)
-               pnp_init_resource_table(&dev->res);
+               pnp_init_resources(dev);
 
        pnp_add_device(dev);
        pnpbios_interface_attach_device(node);
@@ -367,7 +360,6 @@ 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 +380,7 @@ 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
@@ -419,7 +406,6 @@ static void __init build_devlist(void)
 static int pnpbios_disabled;
 int pnpbios_dont_use_current_config;
 
-#ifndef MODULE
 static int __init pnpbios_setup(char *str)
 {
        int invert;
@@ -443,7 +429,6 @@ static int __init pnpbios_setup(char *str)
 }
 
 __setup("pnpbios=", pnpbios_setup);
-#endif
 
 /* PnP BIOS signature: "$PnP" */
 #define PNP_SIGNATURE   (('$' << 0) + ('P' << 8) + ('n' << 16) + ('P' << 24))
@@ -502,7 +487,7 @@ static int __init pnpbios_probe_system(void)
        return 0;
 }
 
-static int __init exploding_pnp_bios(struct dmi_system_id *d)
+static int __init exploding_pnp_bios(const struct dmi_system_id *d)
 {
        printk(KERN_WARNING "%s detected. Disabling PnPBIOS\n", d->ident);
        return 0;
@@ -534,7 +519,7 @@ static int __init pnpbios_init(void)
 {
        int ret;
 
-#if defined(CONFIG_PPC_MERGE)
+#if defined(CONFIG_PPC)
        if (check_legacy_ioport(PNPBIOS_BASE))
                return -ENODEV;
 #endif
@@ -586,12 +571,13 @@ static int __init pnpbios_init(void)
        return 0;
 }
 
-subsys_initcall(pnpbios_init);
+fs_initcall(pnpbios_init);
 
 static int __init pnpbios_thread_init(void)
 {
        struct task_struct *task;
-#if defined(CONFIG_PPC_MERGE)
+
+#if defined(CONFIG_PPC)
        if (check_legacy_ioport(PNPBIOS_BASE))
                return 0;
 #endif
@@ -606,48 +592,7 @@ static int __init pnpbios_thread_init(void)
        return 0;
 }
 
-#ifndef MODULE
-
-/* init/main.c calls pnpbios_init early */
-
 /* Start the kernel thread later: */
 module_init(pnpbios_thread_init);
 
-#else
-
-/*
- * N.B.: Building pnpbios as a module hasn't been fully implemented
- */
-
-MODULE_LICENSE("GPL");
-
-static int __init pnpbios_init_all(void)
-{
-       int r;
-
-       r = pnpbios_init();
-       if (r)
-               return r;
-       r = pnpbios_thread_init();
-       if (r)
-               return r;
-       return 0;
-}
-
-static void __exit pnpbios_exit(void)
-{
-#ifdef CONFIG_HOTPLUG
-       unloading = 1;
-       wait_for_completion(&unload_sem);
-#endif
-       pnpbios_proc_exit();
-       /* We ought to free resources here */
-       return;
-}
-
-module_init(pnpbios_init_all);
-module_exit(pnpbios_exit);
-
-#endif
-
 EXPORT_SYMBOL(pnpbios_protocol);