litmus-rt.git - The LITMUS^RT kernel.

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author	Eric W. Biederman <ebiederm@xmission.com>	2012-12-22 04:52:39 -0500
committer	Eric W. Biederman <ebiederm@xmission.com>	2012-12-25 23:05:15 -0500
commit	48c6d1217e3dc743e7d3ad9b9def8d4810d13a85 (patch)
tree	b8c5539ab8c13674dce2ff5a860982ae28c9c21d /include/linux
parent	dfb2ea45becb198beeb75350d0b7b7ad9076a38f (diff)

f2fs: Don't assign e_id in f2fs_acl_from_disk

With user namespaces enabled building f2fs fails with: CC fs/f2fs/acl.o fs/f2fs/acl.c: In function ‘f2fs_acl_from_disk’: fs/f2fs/acl.c:85:21: error: ‘struct posix_acl_entry’ has no member named ‘e_id’ make[2]: *** [fs/f2fs/acl.o] Error 1 make[2]: Target `__build' not remade because of errors. e_id is a backwards compatibility field only used for file systems that haven't been converted to use kuids and kgids. When the posix acl tag field is neither ACL_USER nor ACL_GROUP assigning e_id is unnecessary. Remove the assignment so f2fs will build with user namespaces enabled. Cc: Namjae Jeon <namjae.jeon@samsung.com> Cc: Amit Sahrawat <a.sahrawat@samsung.com> Acked-by: Jaegeuk Kim <jaegeuk.kim@samsung.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>

Diffstat (limited to 'include/linux')

0 files changed, 0 insertions, 0 deletions

/* orinoco_cs.c (formerly known as dldwd_cs.c) * * A driver for "Hermes" chipset based PCMCIA wireless adaptors, such * as the Lucent WavelanIEEE/Orinoco cards and their OEM (Cabletron/ * EnteraSys RoamAbout 802.11, ELSA Airlancer, Melco Buffalo and others). * It should also be usable on various Prism II based cards such as the * Linksys, D-Link and Farallon Skyline. It should also work on Symbol * cards such as the 3Com AirConnect and Ericsson WLAN. * * Copyright notice & release notes in file orinoco.c */ #define DRIVER_NAME "orinoco_cs" #define PFX DRIVER_NAME ": " #include <linux/config.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/delay.h> #include <pcmcia/cs_types.h> #include <pcmcia/cs.h> #include <pcmcia/cistpl.h> #include <pcmcia/cisreg.h> #include <pcmcia/ds.h> #include "orinoco.h" /********************************************************************/ /* Module stuff */ /********************************************************************/ MODULE_AUTHOR("David Gibson <hermes@gibson.dropbear.id.au>"); MODULE_DESCRIPTION("Driver for PCMCIA Lucent Orinoco, Prism II based and similar wireless cards"); MODULE_LICENSE("Dual MPL/GPL"); /* Module parameters */ /* Some D-Link cards have buggy CIS. They do work at 5v properly, but * don't have any CIS entry for it. This workaround it... */ static int ignore_cis_vcc; /* = 0 */ module_param(ignore_cis_vcc, int, 0); MODULE_PARM_DESC(ignore_cis_vcc, "Allow voltage mismatch between card and socket"); /********************************************************************/ /* Data structures */ /********************************************************************/ /* PCMCIA specific device information (goes in the card field of * struct orinoco_private */ struct orinoco_pccard { struct pcmcia_device *p_dev; dev_node_t node; /* Used to handle hard reset */ /* yuck, we need this hack to work around the insanity of the * PCMCIA layer */ unsigned long hard_reset_in_progress; }; /********************************************************************/ /* Function prototypes */ /********************************************************************/ static void orinoco_cs_config(dev_link_t *link); static void orinoco_cs_release(dev_link_t *link); static void orinoco_cs_detach(struct pcmcia_device *p_dev); /********************************************************************/ /* Device methods */ /********************************************************************/ static int orinoco_cs_hard_reset(struct orinoco_private *priv) { struct orinoco_pccard *card = priv->card; dev_link_t *link = card->p_dev; int err; /* We need atomic ops here, because we're not holding the lock */ set_bit(0, &card->hard_reset_in_progress); err = pcmcia_reset_card(link->handle, NULL); if (err) return err; msleep(100); clear_bit(0, &card->hard_reset_in_progress); return 0; } /********************************************************************/ /* PCMCIA stuff */ /********************************************************************/ /* * This creates an "instance" of the driver, allocating local data * structures for one device. The device is registered with Card * Services. * * The dev_link structure is initialized, but we don't actually * configure the card at this point -- we wait until we receive a card * insertion event. */ static int orinoco_cs_attach(struct pcmcia_device *p_dev) { struct net_device *dev; struct orinoco_private *priv; struct orinoco_pccard *card; dev_link_t *link = dev_to_instance(p_dev); dev = alloc_orinocodev(sizeof(*card), orinoco_cs_hard_reset); if (! dev) return -ENOMEM; priv = netdev_priv(dev); card = priv->card; /* Link both structures together */ card->p_dev = p_dev; link->priv = dev; /* Interrupt setup */ link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; link->irq.IRQInfo1 = IRQ_LEVEL_ID; link->irq.Handler = orinoco_interrupt; link->irq.Instance = dev; /* General socket configuration defaults can go here. In this * client, we assume very little, and rely on the CIS for * almost everything. In most clients, many details (i.e., * number, sizes, and attributes of IO windows) are fixed by * the nature of the device, and can be hard-wired here. */ link->conf.Attributes = 0; link->conf.IntType = INT_MEMORY_AND_IO; link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; orinoco_cs_config(link); return 0; } /* orinoco_cs_attach */ /* * This deletes a driver "instance". The device is de-registered with * Card Services. If it has been released, all local data structures * are freed. Otherwise, the structures will be freed when the device * is released. */ static void orinoco_cs_detach(struct pcmcia_device *p_dev) { dev_link_t *link = dev_to_instance(p_dev); struct net_device *dev = link->priv; if (link->state & DEV_CONFIG) orinoco_cs_release(link); DEBUG(0, PFX "detach: link=%p link->dev_node=%p\n", link, link->dev_node); if (link->dev_node) { DEBUG(0, PFX "About to unregister net device %p\n", dev); unregister_netdev(dev); } free_orinocodev(dev); } /* orinoco_cs_detach */ /* * orinoco_cs_config() is scheduled to run after a CARD_INSERTION * event is received, to configure the PCMCIA socket, and to make the * device available to the system. */ #define CS_CHECK(fn, ret) do { \ last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; \ } while (0) static void orinoco_cs_config(dev_link_t *link) { struct net_device *dev = link->priv; client_handle_t handle = link->handle; struct orinoco_private *priv = netdev_priv(dev); struct orinoco_pccard *card = priv->card; hermes_t *hw = &priv->hw; int last_fn, last_ret; u_char buf[64]; config_info_t conf; cisinfo_t info; tuple_t tuple; cisparse_t parse; void __iomem *mem; CS_CHECK(ValidateCIS, pcmcia_validate_cis(handle, &info)); /* * This reads the card's CONFIG tuple to find its * configuration registers. */ tuple.DesiredTuple = CISTPL_CONFIG; tuple.Attributes = 0; tuple.TupleData = buf; tuple.TupleDataMax = sizeof(buf); tuple.TupleOffset = 0; CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); link->conf.ConfigBase = parse.config.base; link->conf.Present = parse.config.rmask[0]; /* Configure card */ link->state |= DEV_CONFIG; /* Look up the current Vcc */ CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link->handle, &conf)); /* * In this loop, we scan the CIS for configuration table * entries, each of which describes a valid card * configuration, including voltage, IO window, memory window, * and interrupt settings. * * We make no assumptions about the card to be configured: we * use just the information available in the CIS. In an ideal * world, this would work for any PCMCIA card, but it requires * a complete and accurate CIS. In practice, a driver usually * "knows" most of these things without consulting the CIS, * and most client drivers will only use the CIS to fill in * implementation-defined details. */ tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); while (1) { cistpl_cftable_entry_t *cfg = &(parse.cftable_entry); cistpl_cftable_entry_t dflt = { .index = 0 }; if ( (pcmcia_get_tuple_data(handle, &tuple) != 0) || (pcmcia_parse_tuple(handle, &tuple, &parse) != 0)) goto next_entry; if (cfg->flags & CISTPL_CFTABLE_DEFAULT) dflt = *cfg; if (cfg->index == 0) goto next_entry; link->conf.ConfigIndex = cfg->index; /* Does this card need audio output? */ if (cfg->flags & CISTPL_CFTABLE_AUDIO) { link->conf.Attributes |= CONF_ENABLE_SPKR; link->conf.Status = CCSR_AUDIO_ENA; } /* Use power settings for Vcc and Vpp if present */ /* Note that the CIS values need to be rescaled */ if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) { if (conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000) { DEBUG(2, "orinoco_cs_config: Vcc mismatch (conf.Vcc = %d, cfg CIS = %d)\n", conf.Vcc, cfg->vcc.param[CISTPL_POWER_VNOM] / 10000); if (!ignore_cis_vcc) goto next_entry; } } else if (dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) { if (conf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM] / 10000) { DEBUG(2, "orinoco_cs_config: Vcc mismatch (conf.Vcc = %d, dflt CIS = %d)\n", conf.Vcc, dflt.vcc.param[CISTPL_POWER_VNOM] / 10000); if(!ignore_cis_vcc) goto next_entry; } } if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM)) link->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000; else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM)) link->conf.Vpp = dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000; /* Do we need to allocate an interrupt? */ link->conf.Attributes |= CONF_ENABLE_IRQ; /* IO window settings */ link->io.NumPorts1 = link->io.NumPorts2 = 0; if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) { cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io; link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; if (!(io->flags & CISTPL_IO_8BIT)) link->io.Attributes1 = IO_DATA_PATH_WIDTH_16; if (!(io->flags & CISTPL_IO_16BIT)) link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK; link->io.BasePort1 = io->win[0].base; link->io.NumPorts1 = io->win[0].len; if (io->nwin > 1) { link->io.Attributes2 = link->io.Attributes1; link->io.BasePort2 = io->win[1].base; link->io.NumPorts2 = io->win[1].len; } /* This reserves IO space but doesn't actually enable it */ if (pcmcia_request_io(link->handle, &link->io) != 0) goto next_entry; } /* If we got this far, we're cool! */ break; next_entry: pcmcia_disable_device(handle); last_ret = pcmcia_get_next_tuple(handle, &tuple); if (last_ret == CS_NO_MORE_ITEMS) { printk(KERN_ERR PFX "GetNextTuple(): No matching " "CIS configuration. Maybe you need the " "ignore_cis_vcc=1 parameter.\n"); goto cs_failed; } } /* * Allocate an interrupt line. Note that this does not assign * a handler to the interrupt, unless the 'Handler' member of * the irq structure is initialized. */ CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq)); /* We initialize the hermes structure before completing PCMCIA * configuration just in case the interrupt handler gets * called. */ mem = ioport_map(link->io.BasePort1, link->io.NumPorts1); if (!mem) goto cs_failed; hermes_struct_init(hw, mem, HERMES_16BIT_REGSPACING); /* * This actually configures the PCMCIA socket -- setting up * the I/O windows and the interrupt mapping, and putting the * card and host interface into "Memory and IO" mode. */ CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf)); /* Ok, we have the configuration, prepare to register the netdev */ dev->base_addr = link->io.BasePort1; dev->irq = link->irq.AssignedIRQ; SET_MODULE_OWNER(dev); card->node.major = card->node.minor = 0; SET_NETDEV_DEV(dev, &handle_to_dev(handle)); /* Tell the stack we exist */ if (register_netdev(dev) != 0) { printk(KERN_ERR PFX "register_netdev() failed\n"); goto failed; } /* At this point, the dev_node_t structure(s) needs to be * initialized and arranged in a linked list at link->dev_node. */ strcpy(card->node.dev_name, dev->name); link->dev_node = &card->node; /* link->dev_node being non-NULL is also used to indicate that the net_device has been registered */ link->state &= ~DEV_CONFIG_PENDING; /* Finally, report what we've done */ printk(KERN_DEBUG "%s: index 0x%02x: ", dev->name, link->conf.ConfigIndex); if (link->conf.Vpp) printk(", Vpp %d.%d", link->conf.Vpp / 10, link->conf.Vpp % 10); printk(", irq %d", link->irq.AssignedIRQ); if (link->io.NumPorts1) printk(", io 0x%04x-0x%04x", link->io.BasePort1, link->io.BasePort1 + link->io.NumPorts1 - 1); if (link->io.NumPorts2) printk(" & 0x%04x-0x%04x", link->io.BasePort2, link->io.BasePort2 + link->io.NumPorts2 - 1);


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