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CRED: Wrap current->cred and a few other accessors

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Wrap current->cred and a few other accessors to hide their actual
implementation.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: James Morris <jmorris@namei.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
David Howells 2008-11-14 10:39:18 +11:00 • committed by James Morris
parent f1752eec61
commit 86a264abe5
27 changed files with 271 additions and 162 deletions
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7
fs/file_table.c
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@ -94,7 +94,7 @@ int proc_nr_files(ctl_table *table, int write, struct file *filp,
*/
struct file *get_empty_filp(void)
{
struct task_struct *tsk;
const struct cred *cred = current_cred();
static int old_max;
struct file * f;
@ -118,12 +118,11 @@ struct file *get_empty_filp(void)
if (security_file_alloc(f))
goto fail_sec;
tsk = current;
INIT_LIST_HEAD(&f->f_u.fu_list);
atomic_long_set(&f->f_count, 1);
rwlock_init(&f->f_owner.lock);
f->f_uid = tsk->cred->fsuid;
f->f_gid = tsk->cred->fsgid;
f->f_uid = cred->fsuid;
f->f_gid = cred->fsgid;
eventpoll_init_file(f);
/* f->f_version: 0 */
return f;