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userns: Store uid and gid values in struct cred with kuid_t and kgid_t types

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cred.h and a few trivial users of struct cred are changed.  The rest of the users
of struct cred are left for other patches as there are too many changes to make
in one go and leave the change reviewable.  If the user namespace is disabled and
CONFIG_UIDGID_STRICT_TYPE_CHECKS are disabled the code will contiue to compile
and behave correctly.

Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman 2012-02-08 07:00:08 -08:00
parent ae2975bc34
commit 078de5f706
10 changed files with 59 additions and 62 deletions
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8
include/linux/user_namespace.h
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@ -70,15 +70,15 @@ static inline void put_user_ns(struct user_namespace *ns)
#endif
static inline uid_t user_ns_map_uid(struct user_namespace *to,
const struct cred *cred, uid_t uid)
const struct cred *cred, kuid_t uid)
{
return from_kuid_munged(to, make_kuid(cred->user_ns, uid));
return from_kuid_munged(to, uid);
}
static inline gid_t user_ns_map_gid(struct user_namespace *to,
const struct cred *cred, gid_t gid)
const struct cred *cred, kgid_t gid)
{
return from_kgid_munged(to, make_kgid(cred->user_ns, gid));
return from_kgid_munged(to, gid);
}
#endif /* _LINUX_USER_H */