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proc_fill_cache(): just make instantiate_t return int

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all instances always return ERR_PTR(-E...) or NULL, anyway

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2013-06-15 11:15:20 +04:00
parent db96316487
commit c52a47ace7
4 changed files with 43 additions and 49 deletions
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13
fs/proc/namespaces.c
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@@ -187,13 +187,12 @@ static const struct inode_operations proc_ns_link_inode_operations = {
.setattr = proc_setattr,
};
static struct dentry *proc_ns_instantiate(struct inode *dir,
static int proc_ns_instantiate(struct inode *dir,
struct dentry *dentry, struct task_struct *task, const void *ptr)
{
const struct proc_ns_operations *ns_ops = ptr;
struct inode *inode;
struct proc_inode *ei;
struct dentry *error = ERR_PTR(-ENOENT);
inode = proc_pid_make_inode(dir->i_sb, task);
if (!inode)
@@ -208,9 +207,9 @@ static struct dentry *proc_ns_instantiate(struct inode *dir,
d_add(dentry, inode);
/* Close the race of the process dying before we return the dentry */
if (pid_revalidate(dentry, 0))
error = NULL;
return 0;
out:
return error;
return -ENOENT;
}
static int proc_ns_dir_readdir(struct file *file, struct dir_context *ctx)
@@ -248,12 +247,12 @@ const struct file_operations proc_ns_dir_operations = {
static struct dentry *proc_ns_dir_lookup(struct inode *dir,
struct dentry *dentry, unsigned int flags)
{
struct dentry *error;
int error;
struct task_struct *task = get_proc_task(dir);
const struct proc_ns_operations **entry, **last;
unsigned int len = dentry->d_name.len;
error = ERR_PTR(-ENOENT);
error = -ENOENT;
if (!task)
goto out_no_task;
@@ -272,7 +271,7 @@ static struct dentry *proc_ns_dir_lookup(struct inode *dir,
out:
put_task_struct(task);
out_no_task:
return error;
return ERR_PTR(error);
}
const struct inode_operations proc_ns_dir_inode_operations = {