dgrp procfs fixes, part 6: just use proc_create{,_data}
->permission() of its own is a rudiment of sysctl imitation;
normal procfs logics will do just fine here, no need to
mess with ->proc_iops at all.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/drivers/staging/dgrp/dgrp_common.c b/drivers/staging/dgrp/dgrp_common.c
index 3553998..9a9b456 100644
--- a/drivers/staging/dgrp/dgrp_common.c
+++ b/drivers/staging/dgrp/dgrp_common.c
@@ -167,34 +167,3 @@
ch->ch_flag &= ~CH_PHYS_CD;
}
-
-/**
- * dgrp_chk_perm() -- check permissions for net device
- * @inode: pointer to inode structure for the net communication device
- * @op: operation to be tested
- *
- * The file permissions and ownerships are tested to determine whether
- * the operation "op" is permitted on the file pointed to by the inode.
- * Returns 0 if the operation is permitted, -EACCESS otherwise
- */
-int dgrp_chk_perm(int mode, int op)
-{
- if (!uid_eq(GLOBAL_ROOT_UID, current_euid()))
- mode >>= 6;
- else if (in_egroup_p(GLOBAL_ROOT_GID))
- mode >>= 3;
-
- if ((mode & op & 0007) == op)
- return 0;
-
- if (capable(CAP_SYS_ADMIN))
- return 0;
-
- return -EACCES;
-}
-
-/* dgrp_chk_perm wrapper for permission call in struct inode_operations */
-int dgrp_inode_permission(struct inode *inode, int op)
-{
- return dgrp_chk_perm(inode->i_mode, op);
-}
diff --git a/drivers/staging/dgrp/dgrp_common.h b/drivers/staging/dgrp/dgrp_common.h
index 81fc9ae..076dd6b 100644
--- a/drivers/staging/dgrp/dgrp_common.h
+++ b/drivers/staging/dgrp/dgrp_common.h
@@ -89,8 +89,6 @@
*-----------------------------------------------------------------------*/
void dgrp_carrier(struct ch_struct *ch);
-extern int dgrp_inode_permission(struct inode *inode, int op);
-extern int dgrp_chk_perm(int mode, int op);
/*
diff --git a/drivers/staging/dgrp/dgrp_specproc.c b/drivers/staging/dgrp/dgrp_specproc.c
index 22c5d0b..99c993b 100644
--- a/drivers/staging/dgrp/dgrp_specproc.c
+++ b/drivers/staging/dgrp/dgrp_specproc.c
@@ -55,12 +55,6 @@
/* File operation declarations */
static int parse_write_config(char *);
-
-static struct inode_operations proc_inode_ops = {
- .permission = dgrp_inode_permission
-};
-
-
static ssize_t dgrp_config_proc_write(struct file *file,
const char __user *buffer,
size_t count, loff_t *pos);
@@ -139,28 +133,15 @@
void dgrp_register_proc(void)
{
- struct proc_dir_entry *de;
/*
* Register /proc/dgrp
*/
dgrp_proc_dir_entry = proc_mkdir("dgrp", NULL);
if (!dgrp_proc_dir_entry)
return;
- de = create_proc_entry("dgrp/config", 0644, NULL);
- if (de) {
- de->proc_fops = &config_proc_file_ops;
- de->proc_iops = &proc_inode_ops;
- }
- de = create_proc_entry("dgrp/info", 0644, NULL);
- if (de) {
- de->proc_fops = &info_proc_file_ops;
- de->proc_iops = &proc_inode_ops;
- }
- de = create_proc_entry("dgrp/nodeinfo", 0644, NULL);
- if (de) {
- de->proc_fops = &nodeinfo_proc_file_ops;
- de->proc_iops = &proc_inode_ops;
- }
+ proc_create("dgrp/config", 0644, NULL, &config_proc_file_ops);
+ proc_create("dgrp/info", 0644, NULL, &info_proc_file_ops);
+ proc_create("dgrp/nodeinfo", 0644, NULL, &nodeinfo_proc_file_ops);
net_entry_pointer = proc_mkdir_mode("dgrp/net", 0500, NULL);
mon_entry_pointer = proc_mkdir_mode("dgrp/mon", 0500, NULL);
dpa_entry_pointer = proc_mkdir_mode("dgrp/dpa", 0500, NULL);
@@ -554,15 +535,6 @@
const struct file_operations *fops)
{
char buf[3];
- struct proc_dir_entry *de;
-
ID_TO_CHAR(node->nd_ID, buf);
-
- de = create_proc_entry(buf, 0600 | S_IFREG, root);
- if (de) {
- de->data = (void *) node;
- de->proc_fops = fops;
- de->proc_iops = &proc_inode_ops;
- }
- return de;
+ return proc_create_data(buf, 0600, root, fops, node);
}