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authorDavid Howells <dhowells@redhat.com>2008-11-14 10:39:16 +1100
committerJames Morris <jmorris@namei.org>2008-11-14 10:39:16 +1100
commitb6dff3ec5e116e3af6f537d4caedcad6b9e5082a (patch)
tree9e76f972eb7ce9b84e0146c8e4126a3f86acb428 /ipc
parent15a2460ed0af7538ca8e6c610fe607a2cd9da142 (diff)
downloadlinux-linaro-stable-b6dff3ec5e116e3af6f537d4caedcad6b9e5082a.tar.gz
CRED: Separate task security context from task_struct
Separate the task security context from task_struct. At this point, the security data is temporarily embedded in the task_struct with two pointers pointing to it. Note that the Alpha arch is altered as it refers to (E)UID and (E)GID in entry.S via asm-offsets. With comment fixes Signed-off-by: Marc Dionne <marc.c.dionne@gmail.com> 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>
Diffstat (limited to 'ipc')
-rw-r--r--ipc/mqueue.c2
-rw-r--r--ipc/shm.c4
2 files changed, 3 insertions, 3 deletions
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index abda5991d7e3..e1885b494bac 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -126,7 +126,7 @@ static struct inode *mqueue_get_inode(struct super_block *sb, int mode,
if (S_ISREG(mode)) {
struct mqueue_inode_info *info;
struct task_struct *p = current;
- struct user_struct *u = p->user;
+ struct user_struct *u = p->cred->user;
unsigned long mq_bytes, mq_msg_tblsz;
inode->i_fop = &mqueue_file_operations;
diff --git a/ipc/shm.c b/ipc/shm.c
index 0c3debbe32d5..264a9d33c5dd 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -366,7 +366,7 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params)
if (shmflg & SHM_HUGETLB) {
/* hugetlb_file_setup takes care of mlock user accounting */
file = hugetlb_file_setup(name, size);
- shp->mlock_user = current->user;
+ shp->mlock_user = current->cred->user;
} else {
int acctflag = VM_ACCOUNT;
/*
@@ -767,7 +767,7 @@ asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf)
goto out_unlock;
if(cmd==SHM_LOCK) {
- struct user_struct * user = current->user;
+ struct user_struct *user = current->cred->user;
if (!is_file_hugepages(shp->shm_file)) {
err = shmem_lock(shp->shm_file, 1, user);
if (!err && !(shp->shm_perm.mode & SHM_LOCKED)){