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CRED: Wrap task credential accesses in the networking subsystem

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Wrap access to task credentials so that they can be separated more easily from
the task_struct during the introduction of COW creds.

Change most current->(|e|s|fs)[ug]id to current_(|e|s|fs)[ug]id().

Change some task->e?[ug]id to task_e?[ug]id().  In some places it makes more
sense to use RCU directly rather than a convenient wrapper; these will be
addressed by later patches.

Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: James Morris <jmorris@namei.org>
Acked-by: Serge Hallyn <serue@us.ibm.com>
Cc: netdev@vger.kernel.org
Signed-off-by: James Morris <jmorris@namei.org>
This commit is contained in:
David Howells
2008-11-14 10:39:10 +11:00
committed by James Morris
parent 19d65624d3
commit 8192b0c482
4 changed files with 14 additions and 10 deletions
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4
include/net/scm.h
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@@ -54,8 +54,8 @@ static __inline__ int scm_send(struct socket *sock, struct msghdr *msg,
struct scm_cookie *scm)
{
struct task_struct *p = current;
scm->creds.uid = p->uid;
scm->creds.gid = p->gid;
scm->creds.uid = current_uid();
scm->creds.gid = current_gid();
scm->creds.pid = task_tgid_vnr(p);
scm->fp = NULL;
scm->seq = 0;