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| author | Oleg Nesterov <oleg@redhat.com> | 2012-05-11 10:59:09 +1000 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-05-23 22:11:41 -0400 |
| commit | f23ca335462e3c84f13270b9e65f83936068ec2c (patch) | |
| tree | f0df939f9906c28267c930554223720a82241c71 | |
| parent | dea649b8ac1861107c5d91e1a71121434fc64193 (diff) | |
| download | linux-f23ca335462e3c84f13270b9e65f83936068ec2c.tar.gz linux-f23ca335462e3c84f13270b9e65f83936068ec2c.tar.bz2 linux-f23ca335462e3c84f13270b9e65f83936068ec2c.zip | |
keys: kill task_struct->replacement_session_keyring
Kill the no longer used task_struct->replacement_session_keyring, update
copy_creds() and exit_creds().
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: David Howells <dhowells@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Richard Kuo <rkuo@codeaurora.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Alexander Gordeev <agordeev@redhat.com>
Cc: Chris Zankel <chris@zankel.net>
Cc: David Smith <dsmith@redhat.com>
Cc: "Frank Ch. Eigler" <fche@redhat.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Larry Woodman <lwoodman@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | include/linux/sched.h | 2 | ||||
| -rw-r--r-- | kernel/cred.c | 9 |
2 files changed, 0 insertions, 11 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index da013853a622..17c6c929ee94 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1357,8 +1357,6 @@ struct task_struct { * credentials (COW) */ const struct cred __rcu *cred; /* effective (overridable) subjective task * credentials (COW) */ - struct cred *replacement_session_keyring; /* for KEYCTL_SESSION_TO_PARENT */ - char comm[TASK_COMM_LEN]; /* executable name excluding path - access with [gs]et_task_comm (which lock it with task_lock()) diff --git a/kernel/cred.c b/kernel/cred.c index 430557ea488f..de728ac50d82 100644 --- a/kernel/cred.c +++ b/kernel/cred.c @@ -207,13 +207,6 @@ void exit_creds(struct task_struct *tsk) validate_creds(cred); alter_cred_subscribers(cred, -1); put_cred(cred); - - cred = (struct cred *) tsk->replacement_session_keyring; - if (cred) { - tsk->replacement_session_keyring = NULL; - validate_creds(cred); - put_cred(cred); - } } /** @@ -396,8 +389,6 @@ int copy_creds(struct task_struct *p, unsigned long clone_flags) struct cred *new; int ret; - p->replacement_session_keyring = NULL; - if ( #ifdef CONFIG_KEYS !p->cred->thread_keyring && |