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yaml
---
r: 234009
b: refs/heads/master
c: d406577
h: refs/heads/master
i:
  234007: b10c407
v: v3
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Jiri Slaby authored and Wim Van Sebroeck committed Mar 9, 2011
1 parent 4831692 commit ea995da
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Showing 13 changed files with 28 additions and 51 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 1b7e7e6ffc08b3a8fb27bccd8fc740d77758db5b
refs/heads/master: d406577526a611e6be1f6b1cfeaf094dd95fa439
1 change: 0 additions & 1 deletion trunk/arch/alpha/kernel/sys_titan.c
Original file line number Diff line number Diff line change
Expand Up @@ -149,7 +149,6 @@ static int
titan_set_irq_affinity(struct irq_data *d, const struct cpumask *affinity,
bool force)
{
unsigned int irq = d->irq;
spin_lock(&titan_irq_lock);
titan_cpu_set_irq_affinity(irq - 16, *affinity);
titan_update_irq_hw(titan_cached_irq_mask);
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2 changes: 1 addition & 1 deletion trunk/arch/x86/kernel/cpu/cpufreq/pcc-cpufreq.c
Original file line number Diff line number Diff line change
Expand Up @@ -195,7 +195,7 @@ static unsigned int pcc_get_freq(unsigned int cpu)
cmd_incomplete:
iowrite16(0, &pcch_hdr->status);
spin_unlock(&pcc_lock);
return 0;
return -EINVAL;
}

static int pcc_cpufreq_target(struct cpufreq_policy *policy,
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1 change: 0 additions & 1 deletion trunk/drivers/i2c/busses/i2c-eg20t.c
Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,6 @@
#include <linux/pci.h>
#include <linux/mutex.h>
#include <linux/ktime.h>
#include <linux/slab.h>

#define PCH_EVENT_SET 0 /* I2C Interrupt Event Set Status */
#define PCH_EVENT_NONE 1 /* I2C Interrupt Event Clear Status */
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2 changes: 1 addition & 1 deletion trunk/drivers/i2c/busses/i2c-ocores.c
Original file line number Diff line number Diff line change
Expand Up @@ -249,7 +249,7 @@ static struct i2c_adapter ocores_adapter = {
static int ocores_i2c_of_probe(struct platform_device* pdev,
struct ocores_i2c* i2c)
{
const __be32* val;
__be32* val;

val = of_get_property(pdev->dev.of_node, "regstep", NULL);
if (!val) {
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4 changes: 3 additions & 1 deletion trunk/drivers/i2c/busses/i2c-omap.c
Original file line number Diff line number Diff line change
Expand Up @@ -378,7 +378,9 @@ static int omap_i2c_init(struct omap_i2c_dev *dev)
* REVISIT: Some wkup sources might not be needed.
*/
dev->westate = OMAP_I2C_WE_ALL;
omap_i2c_write_reg(dev, OMAP_I2C_WE_REG, dev->westate);
if (dev->rev < OMAP_I2C_REV_ON_4430)
omap_i2c_write_reg(dev, OMAP_I2C_WE_REG,
dev->westate);
}
}
omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, 0);
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2 changes: 1 addition & 1 deletion trunk/drivers/mmc/core/core.c
Original file line number Diff line number Diff line change
Expand Up @@ -1529,7 +1529,7 @@ void mmc_rescan(struct work_struct *work)
* still present
*/
if (host->bus_ops && host->bus_ops->detect && !host->bus_dead
&& !(host->caps & MMC_CAP_NONREMOVABLE))
&& mmc_card_is_removable(host))
host->bus_ops->detect(host);

/*
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7 changes: 5 additions & 2 deletions trunk/drivers/watchdog/sbc_fitpc2_wdt.c
Original file line number Diff line number Diff line change
Expand Up @@ -201,11 +201,14 @@ static struct miscdevice fitpc2_wdt_miscdev = {
static int __init fitpc2_wdt_init(void)
{
int err;
const char *brd_name;

if (!strstr(dmi_get_system_info(DMI_BOARD_NAME), "SBC-FITPC2"))
brd_name = dmi_get_system_info(DMI_BOARD_NAME);

if (!brd_name || !strstr(brd_name, "SBC-FITPC2"))
return -ENODEV;

pr_info("%s found\n", dmi_get_system_info(DMI_BOARD_NAME));
pr_info("%s found\n", brd_name);

if (!request_region(COMMAND_PORT, 1, WATCHDOG_NAME)) {
pr_err("I/O address 0x%04x already in use\n", COMMAND_PORT);
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14 changes: 3 additions & 11 deletions trunk/fs/namei.c
Original file line number Diff line number Diff line change
Expand Up @@ -1546,7 +1546,6 @@ static int path_walk(const char *name, struct nameidata *nd)
/* nd->path had been dropped */
current->total_link_count = 0;
nd->path = save;
nd->inode = save.dentry->d_inode;
path_get(&nd->path);
nd->flags |= LOOKUP_REVAL;
result = link_path_walk(name, nd);
Expand Down Expand Up @@ -2456,29 +2455,22 @@ struct file *do_filp_open(int dfd, const char *pathname,
/* !O_CREAT, simple open */
error = do_path_lookup(dfd, pathname, flags, &nd);
if (unlikely(error))
goto out_filp2;
goto out_filp;
error = -ELOOP;
if (!(nd.flags & LOOKUP_FOLLOW)) {
if (nd.inode->i_op->follow_link)
goto out_path2;
goto out_path;
}
error = -ENOTDIR;
if (nd.flags & LOOKUP_DIRECTORY) {
if (!nd.inode->i_op->lookup)
goto out_path2;
goto out_path;
}
audit_inode(pathname, nd.path.dentry);
filp = finish_open(&nd, open_flag, acc_mode);
out2:
release_open_intent(&nd);
return filp;

out_path2:
path_put(&nd.path);
out_filp2:
filp = ERR_PTR(error);
goto out2;

creat:
/* OK, have to create the file. Find the parent. */
error = path_init_rcu(dfd, pathname,
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8 changes: 2 additions & 6 deletions trunk/fs/proc/inode.c
Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,6 @@
static void proc_evict_inode(struct inode *inode)
{
struct proc_dir_entry *de;
struct ctl_table_header *head;

truncate_inode_pages(&inode->i_data, 0);
end_writeback(inode);
Expand All @@ -39,11 +38,8 @@ static void proc_evict_inode(struct inode *inode)
de = PROC_I(inode)->pde;
if (de)
pde_put(de);
head = PROC_I(inode)->sysctl;
if (head) {
rcu_assign_pointer(PROC_I(inode)->sysctl, NULL);
sysctl_head_put(head);
}
if (PROC_I(inode)->sysctl)
sysctl_head_put(PROC_I(inode)->sysctl);
}

struct vfsmount *proc_mnt;
Expand Down
7 changes: 2 additions & 5 deletions trunk/fs/proc/proc_sysctl.c
Original file line number Diff line number Diff line change
Expand Up @@ -408,18 +408,15 @@ static int proc_sys_compare(const struct dentry *parent,
const struct dentry *dentry, const struct inode *inode,
unsigned int len, const char *str, const struct qstr *name)
{
struct ctl_table_header *head;
/* Although proc doesn't have negative dentries, rcu-walk means
* that inode here can be NULL */
/* AV: can it, indeed? */
if (!inode)
return 1;
return 0;
if (name->len != len)
return 1;
if (memcmp(name->name, str, len))
return 1;
head = rcu_dereference(PROC_I(inode)->sysctl);
return !head || !sysctl_is_seen(head);
return !sysctl_is_seen(PROC_I(inode)->sysctl);
}

static const struct dentry_operations proc_sys_dentry_operations = {
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14 changes: 4 additions & 10 deletions trunk/include/linux/sysctl.h
Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,6 @@
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/compiler.h>
#include <linux/rcupdate.h>

struct completion;

Expand Down Expand Up @@ -1038,15 +1037,10 @@ struct ctl_table_root {
struct ctl_table trees. */
struct ctl_table_header
{
union {
struct {
struct ctl_table *ctl_table;
struct list_head ctl_entry;
int used;
int count;
};
struct rcu_head rcu;
};
struct ctl_table *ctl_table;
struct list_head ctl_entry;
int used;
int count;
struct completion *unregistering;
struct ctl_table *ctl_table_arg;
struct ctl_table_root *root;
Expand Down
15 changes: 5 additions & 10 deletions trunk/kernel/sysctl.c
Original file line number Diff line number Diff line change
Expand Up @@ -194,9 +194,9 @@ static int sysrq_sysctl_handler(ctl_table *table, int write,
static struct ctl_table root_table[];
static struct ctl_table_root sysctl_table_root;
static struct ctl_table_header root_table_header = {
{{.count = 1,
.count = 1,
.ctl_table = root_table,
.ctl_entry = LIST_HEAD_INIT(sysctl_table_root.default_set.list),}},
.ctl_entry = LIST_HEAD_INIT(sysctl_table_root.default_set.list),
.root = &sysctl_table_root,
.set = &sysctl_table_root.default_set,
};
Expand Down Expand Up @@ -1567,16 +1567,11 @@ void sysctl_head_get(struct ctl_table_header *head)
spin_unlock(&sysctl_lock);
}

static void free_head(struct rcu_head *rcu)
{
kfree(container_of(rcu, struct ctl_table_header, rcu));
}

void sysctl_head_put(struct ctl_table_header *head)
{
spin_lock(&sysctl_lock);
if (!--head->count)
call_rcu(&head->rcu, free_head);
kfree(head);
spin_unlock(&sysctl_lock);
}

Expand Down Expand Up @@ -1953,10 +1948,10 @@ void unregister_sysctl_table(struct ctl_table_header * header)
start_unregistering(header);
if (!--header->parent->count) {
WARN_ON(1);
call_rcu(&header->parent->rcu, free_head);
kfree(header->parent);
}
if (!--header->count)
call_rcu(&header->rcu, free_head);
kfree(header);
spin_unlock(&sysctl_lock);
}

Expand Down

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