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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/nfsd
parent88e67f3b8898c5ea81d2916dd5b8bc9c0c35ba13 (diff)
downloadblackbird-op-linux-745ca2475a6ac596e3d8d37c2759c0fbe2586227.tar.gz
blackbird-op-linux-745ca2475a6ac596e3d8d37c2759c0fbe2586227.zip
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/nfsd')
-rw-r--r--fs/nfsd/nfs4recover.c3
-rw-r--r--fs/nfsd/vfs.c3
2 files changed, 4 insertions, 2 deletions
diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c
index a5e14e8695ea..632a50b4b371 100644
--- a/fs/nfsd/nfs4recover.c
+++ b/fs/nfsd/nfs4recover.c
@@ -226,7 +226,8 @@ nfsd4_list_rec_dir(struct dentry *dir, recdir_func *f)
nfs4_save_user(&uid, &gid);
- filp = dentry_open(dget(dir), mntget(rec_dir.mnt), O_RDONLY);
+ filp = dentry_open(dget(dir), mntget(rec_dir.mnt), O_RDONLY,
+ current_cred());
status = PTR_ERR(filp);
if (IS_ERR(filp))
goto out;
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 890d9a68c852..b59ec5a6ed24 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -671,6 +671,7 @@ __be32
nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, int type,
int access, struct file **filp)
{
+ const struct cred *cred = current_cred();
struct dentry *dentry;
struct inode *inode;
int flags = O_RDONLY|O_LARGEFILE;
@@ -725,7 +726,7 @@ nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, int type,
DQUOT_INIT(inode);
}
*filp = dentry_open(dget(dentry), mntget(fhp->fh_export->ex_path.mnt),
- flags);
+ flags, cred);
if (IS_ERR(*filp))
host_err = PTR_ERR(*filp);
out_nfserr:
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