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drivers: use non-racy method for proc entries creation (2)

Browse source 
Use proc_create()/proc_create_data() to make sure that ->proc_fops and ->data
be setup before gluing PDE to main tree.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Cc: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Peter Osterlund <petero2@telia.com>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Cc: Dmitry Torokhov <dtor@mail.ru>
Cc: Neil Brown <neilb@suse.de>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Bjorn Helgaas <bjorn.helgaas@hp.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Denis V. Lunev 2008-04-29 01:02:35 -07:00 committed by Linus Torvalds
parent 1b50221738
commit c7705f3449
12 changed files with 33 additions and 68 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
drivers/block/pktcdvd.c
View file

@ -2744,7 +2744,6 @@ static int pkt_new_dev(struct pktcdvd_device *pd, dev_t dev)
int i;
int ret = 0;
char b[BDEVNAME_SIZE];
struct proc_dir_entry *proc;
struct block_device *bdev;
if (pd->pkt_dev == dev) {
@ -2788,11 +2787,7 @@ static int pkt_new_dev(struct pktcdvd_device *pd, dev_t dev)
goto out_mem;
}
proc = create_proc_entry(pd->name, 0, pkt_proc);
if (proc) {
proc->data = pd;
proc->proc_fops = &pkt_proc_fops;
}
proc_create_data(pd->name, 0, pkt_proc, &pkt_proc_fops, pd);
DPRINTK(DRIVER_NAME": writer %s mapped to %s\n", pd->name, bdevname(bdev, b));
return 0;

10
drivers/cdrom/viocd.c
View file

@ -144,6 +144,7 @@ static int proc_viocd_open(struct inode *inode, struct file *file)
}
static const struct file_operations proc_viocd_operations = {
.owner = THIS_MODULE,
.open = proc_viocd_open,
.read = seq_read,
.llseek = seq_lseek,
@ -679,7 +680,6 @@ static struct vio_driver viocd_driver = {
static int __init viocd_init(void)
{
struct proc_dir_entry *e;
int ret = 0;
if (!firmware_has_feature(FW_FEATURE_ISERIES))
@ -719,12 +719,8 @@ static int __init viocd_init(void)
if (ret)
goto out_free_info;
e = create_proc_entry("iSeries/viocd", S_IFREG|S_IRUGO, NULL);
if (e) {
e->owner = THIS_MODULE;
e->proc_fops = &proc_viocd_operations;
}
proc_create("iSeries/viocd", S_IFREG|S_IRUGO, NULL,
&proc_viocd_operations);
return 0;
out_free_info:

7
drivers/ide/ide-proc.c
View file

@ -822,6 +822,7 @@ static int ide_drivers_open(struct inode *inode, struct file *file)
}
static const struct file_operations ide_drivers_operations = {
.owner = THIS_MODULE,
.open = ide_drivers_open,
.read = seq_read,
.llseek = seq_lseek,
@ -830,16 +831,12 @@ static const struct file_operations ide_drivers_operations = {
void proc_ide_create(void)
{
struct proc_dir_entry *entry;
proc_ide_root = proc_mkdir("ide", NULL);
if (!proc_ide_root)
return;
entry = create_proc_entry("drivers", 0, proc_ide_root);
if (entry)
entry->proc_fops = &ide_drivers_operations;
proc_create("drivers", 0, proc_ide_root, &ide_drivers_operations);
}
void proc_ide_destroy(void)

12
drivers/input/input.c
View file

@ -904,20 +904,16 @@ static int __init input_proc_init(void)
proc_bus_input_dir->owner = THIS_MODULE;
entry = create_proc_entry("devices", 0, proc_bus_input_dir);
entry = proc_create("devices", 0, proc_bus_input_dir,
&input_devices_fileops);
if (!entry)
goto fail1;
entry->owner = THIS_MODULE;
entry->proc_fops = &input_devices_fileops;
entry = create_proc_entry("handlers", 0, proc_bus_input_dir);
entry = proc_create("handlers", 0, proc_bus_input_dir,
&input_handlers_fileops);
if (!entry)
goto fail2;
entry->owner = THIS_MODULE;
entry->proc_fops = &input_handlers_fileops;
return 0;
fail2: remove_proc_entry("devices", proc_bus_input_dir);

6
drivers/md/md.c
View file

@ -5947,13 +5947,9 @@ static struct notifier_block md_notifier = {
static void md_geninit(void)
{
struct proc_dir_entry *p;
dprintk("md: sizeof(mdp_super_t) = %d\n", (int)sizeof(mdp_super_t));
p = create_proc_entry("mdstat", S_IRUGO, NULL);
if (p)
p->proc_fops = &md_seq_fops;
proc_create("mdstat", S_IRUGO, NULL, &md_seq_fops);
}
static int __init md_init(void)

7
drivers/media/video/zoran_procfs.c
View file

@ -180,6 +180,7 @@ static ssize_t zoran_write(struct file *file, const char __user *buffer,
}
static const struct file_operations zoran_operations = {
.owner = THIS_MODULE,
.open = zoran_open,
.read = seq_read,
.write = zoran_write,
@ -195,10 +196,8 @@ zoran_proc_init (struct zoran *zr)
char name[8];
snprintf(name, 7, "zoran%d", zr->id);
if ((zr->zoran_proc = create_proc_entry(name, 0, NULL))) {
zr->zoran_proc->data = zr;
zr->zoran_proc->owner = THIS_MODULE;
zr->zoran_proc->proc_fops = &zoran_operations;
zr->zoran_proc = proc_create_data(name, 0, NULL, &zoran_operations, zr);
if (zr->zoran_proc != NULL) {
dprintk(2,
KERN_INFO
"%s: procfs entry /proc/%s allocated. data=%p\n",

6
drivers/message/i2o/i2o_proc.c
View file

@ -1893,13 +1893,11 @@ static int i2o_proc_create_entries(struct proc_dir_entry *dir,
struct proc_dir_entry *tmp;
while (i2o_pe->name) {
tmp = create_proc_entry(i2o_pe->name, i2o_pe->mode, dir);
tmp = proc_create_data(i2o_pe->name, i2o_pe->mode, dir,
i2o_pe->fops, data);
if (!tmp)
return -1;
tmp->data = data;
tmp->proc_fops = i2o_pe->fops;
i2o_pe++;
}

5
drivers/misc/hdpuftrs/hdpu_cpustate.c
View file

@ -210,13 +210,10 @@ static int hdpu_cpustate_probe(struct platform_device *pdev)
return ret;
}
proc_de = create_proc_entry("sky_cpustate", 0666, NULL);
proc_de = proc_create("sky_cpustate", 0666, NULL, &proc_cpustate);
if (!proc_de) {
printk(KERN_WARNING "sky_cpustate: "
"Unable to create proc entry\n");
} else {
proc_de->proc_fops = &proc_cpustate;
proc_de->owner = THIS_MODULE;
}
printk(KERN_INFO "Sky CPU State Driver v" SKY_CPUSTATE_VERSION "\n");

13
drivers/misc/hdpuftrs/hdpu_nexus.c
View file

@ -102,22 +102,17 @@ static int hdpu_nexus_probe(struct platform_device *pdev)
printk(KERN_ERR "sky_nexus: Could not map slot id\n");
}
hdpu_slot_id = create_proc_entry("sky_slot_id", 0666, NULL);
if (!hdpu_slot_id)
hdpu_slot_id = proc_create("sky_slot_id", 0666, NULL, &proc_slot_id);
if (!hdpu_slot_id) {
printk(KERN_WARNING "sky_nexus: "
"Unable to create proc dir entry: sky_slot_id\n");
} else {
hdpu_slot_id->proc_fops = &proc_slot_id;
hdpu_slot_id->owner = THIS_MODULE;
}
hdpu_chassis_id = create_proc_entry("sky_chassis_id", 0666, NULL);
hdpu_chassis_id = proc_create("sky_chassis_id", 0666, NULL,
&proc_chassis_id);
if (!hdpu_chassis_id)
printk(KERN_WARNING "sky_nexus: "
"Unable to create proc dir entry: sky_chassis_id\n");
} else {
hdpu_chassis_id->proc_fops = &proc_chassis_id;
hdpu_chassis_id->owner = THIS_MODULE;
}
return 0;

13
drivers/pci/proc.c
View file

@ -293,6 +293,7 @@ static int proc_bus_pci_release(struct inode *inode, struct file *file)
#endif /* HAVE_PCI_MMAP */
static const struct file_operations proc_bus_pci_operations = {
.owner = THIS_MODULE,
.llseek = proc_bus_pci_lseek,
.read = proc_bus_pci_read,
.write = proc_bus_pci_write,
@ -406,11 +407,10 @@ int pci_proc_attach_device(struct pci_dev *dev)
}
sprintf(name, "%02x.%x", PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn));
e = create_proc_entry(name, S_IFREG | S_IRUGO | S_IWUSR, bus->procdir);
e = proc_create_data(name, S_IFREG | S_IRUGO | S_IWUSR, bus->procdir,
&proc_bus_pci_operations, dev);
if (!e)
return -ENOMEM;
e->proc_fops = &proc_bus_pci_operations;
e->data = dev;
e->size = dev->cfg_size;
dev->procent = e;
@ -462,6 +462,7 @@ static int proc_bus_pci_dev_open(struct inode *inode, struct file *file)
return seq_open(file, &proc_bus_pci_devices_op);
}
static const struct file_operations proc_bus_pci_dev_operations = {
.owner = THIS_MODULE,
.open = proc_bus_pci_dev_open,
.read = seq_read,
.llseek = seq_lseek,
@ -470,12 +471,10 @@ static const struct file_operations proc_bus_pci_dev_operations = {
static int __init pci_proc_init(void)
{
struct proc_dir_entry *entry;
struct pci_dev *dev = NULL;
proc_bus_pci_dir = proc_mkdir("bus/pci", NULL);
entry = create_proc_entry("devices", 0, proc_bus_pci_dir);
if (entry)
entry->proc_fops = &proc_bus_pci_dev_operations;
proc_create("devices", 0, proc_bus_pci_dir,
&proc_bus_pci_dev_operations);
proc_initialized = 1;
while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
pci_proc_attach_device(dev);

7
drivers/pnp/isapnp/proc.c
View file

@ -85,6 +85,7 @@ static ssize_t isapnp_proc_bus_read(struct file *file, char __user * buf,
}
static const struct file_operations isapnp_proc_bus_file_operations = {
.owner = THIS_MODULE,
.llseek = isapnp_proc_bus_lseek,
.read = isapnp_proc_bus_read,
};
@ -102,12 +103,10 @@ static int isapnp_proc_attach_device(struct pnp_dev *dev)
return -ENOMEM;
}
sprintf(name, "%02x", dev->number);
e = dev->procent = create_proc_entry(name, S_IFREG | S_IRUGO, de);
e = dev->procent = proc_create_data(name, S_IFREG | S_IRUGO, de,
&isapnp_proc_bus_file_operations, dev);
if (!e)
return -ENOMEM;
e->proc_fops = &isapnp_proc_bus_file_operations;
e->owner = THIS_MODULE;
e->data = dev;
e->size = 256;
return 0;
}

8
drivers/rtc/rtc-proc.c
View file

@ -108,12 +108,10 @@ void rtc_proc_add_device(struct rtc_device *rtc)
if (rtc->id == 0) {
struct proc_dir_entry *ent;
ent = create_proc_entry("driver/rtc", 0, NULL);
if (ent) {
ent->proc_fops = &rtc_proc_fops;
ent = proc_create_data("driver/rtc", 0, NULL,
&rtc_proc_fops, rtc);
if (ent)
ent->owner = rtc->owner;
ent->data = rtc;
}
}
}