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authorDavid Howells <dhowells@redhat.com>2008-11-14 10:39:22 +1100
committerJames Morris <jmorris@namei.org>2008-11-14 10:39:22 +1100
commit745ca2475a6ac596e3d8d37c2759c0fbe2586227 (patch)
treef87c34bdfbc8542477b16a014bbb4e3b415b286a /fs/exportfs
parent88e67f3b8898c5ea81d2916dd5b8bc9c0c35ba13 (diff)
CRED: Pass credentials through dentry_open()
Pass credentials through dentry_open() so that the COW creds patch can have SELinux's flush_unauthorized_files() pass the appropriate creds back to itself when it opens its null chardev. The security_dentry_open() call also now takes a creds pointer, as does the dentry_open hook in struct security_operations. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: James Morris <jmorris@namei.org> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'fs/exportfs')
-rw-r--r--fs/exportfs/expfs.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c
index 80246bad1b7..ec1fb918200 100644
--- a/fs/exportfs/expfs.c
+++ b/fs/exportfs/expfs.c
@@ -14,6 +14,7 @@
#include <linux/module.h>
#include <linux/mount.h>
#include <linux/namei.h>
+#include <linux/sched.h>
#define dprintk(fmt, args...) do{}while(0)
@@ -249,6 +250,7 @@ static int filldir_one(void * __buf, const char * name, int len,
static int get_name(struct vfsmount *mnt, struct dentry *dentry,
char *name, struct dentry *child)
{
+ const struct cred *cred = current_cred();
struct inode *dir = dentry->d_inode;
int error;
struct file *file;
@@ -263,7 +265,7 @@ static int get_name(struct vfsmount *mnt, struct dentry *dentry,
/*
* Open the directory ...
*/
- file = dentry_open(dget(dentry), mntget(mnt), O_RDONLY);
+ file = dentry_open(dget(dentry), mntget(mnt), O_RDONLY, cred);
error = PTR_ERR(file);
if (IS_ERR(file))
goto out;