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[PATCH] ia64: const f_ops fix

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Tweak the proc setup code so things work OK with const
proc_dir_entry.proc_fops.

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andrew Morton 2006-03-28 01:56:40 -08:00 committed by Linus Torvalds
parent 3c30a75256
commit ec1b9466cb
1 changed files with 20 additions and 19 deletions
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39
arch/ia64/sn/kernel/sn2/sn_proc_fs.c
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@ -93,19 +93,22 @@ static int coherence_id_open(struct inode *inode, struct file *file)
static struct proc_dir_entry
*sn_procfs_create_entry(const char *name, struct proc_dir_entry *parent,
int (*openfunc)(struct inode *, struct file *),
int (*releasefunc)(struct inode *, struct file *))
int (*releasefunc)(struct inode *, struct file *),
ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *))
{
struct proc_dir_entry *e = create_proc_entry(name, 0444, parent);
if (e) {
e->proc_fops = (struct file_operations *)kmalloc(
sizeof(struct file_operations), GFP_KERNEL);
if (e->proc_fops) {
memset(e->proc_fops, 0, sizeof(struct file_operations));
e->proc_fops->open = openfunc;
e->proc_fops->read = seq_read;
e->proc_fops->llseek = seq_lseek;
e->proc_fops->release = releasefunc;
struct file_operations *f;
f = kzalloc(sizeof(*f), GFP_KERNEL);
if (f) {
f->open = openfunc;
f->read = seq_read;
f->llseek = seq_lseek;
f->release = releasefunc;
f->write = write;
e->proc_fops = f;
}
}
@ -119,31 +122,29 @@ extern int sn_topology_release(struct inode *, struct file *);
void register_sn_procfs(void)
{
static struct proc_dir_entry *sgi_proc_dir = NULL;
struct proc_dir_entry *e;
BUG_ON(sgi_proc_dir != NULL);
if (!(sgi_proc_dir = proc_mkdir("sgi_sn", NULL)))
return;
sn_procfs_create_entry("partition_id", sgi_proc_dir,
partition_id_open, single_release);
partition_id_open, single_release, NULL);
sn_procfs_create_entry("system_serial_number", sgi_proc_dir,
system_serial_number_open, single_release);
system_serial_number_open, single_release, NULL);
sn_procfs_create_entry("licenseID", sgi_proc_dir,
licenseID_open, single_release);
licenseID_open, single_release, NULL);
e = sn_procfs_create_entry("sn_force_interrupt", sgi_proc_dir,
sn_force_interrupt_open, single_release);
if (e)
e->proc_fops->write = sn_force_interrupt_write_proc;
sn_procfs_create_entry("sn_force_interrupt", sgi_proc_dir,
sn_force_interrupt_open, single_release,
sn_force_interrupt_write_proc);
sn_procfs_create_entry("coherence_id", sgi_proc_dir,
coherence_id_open, single_release);
coherence_id_open, single_release, NULL);
sn_procfs_create_entry("sn_topology", sgi_proc_dir,
sn_topology_open, sn_topology_release);
sn_topology_open, sn_topology_release, NULL);
}
#endif /* CONFIG_PROC_FS */