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    Subject[PATCH 21/59] CRED: Wrap task credential accesses in the devpts filesystem
    Date
    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>
    ---

    fs/devpts/inode.c | 4 ++--
    1 files changed, 2 insertions(+), 2 deletions(-)


    diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c
    index 488eb42..7d3ad2d 100644
    --- a/fs/devpts/inode.c
    +++ b/fs/devpts/inode.c
    @@ -228,8 +228,8 @@ int devpts_pty_new(struct tty_struct *tty)
    return -ENOMEM;

    inode->i_ino = number+2;
    - inode->i_uid = config.setuid ? config.uid : current->fsuid;
    - inode->i_gid = config.setgid ? config.gid : current->fsgid;
    + inode->i_uid = config.setuid ? config.uid : current_fsuid();
    + inode->i_gid = config.setgid ? config.gid : current_fsgid();
    inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
    init_special_inode(inode, S_IFCHR|config.mode, device);
    inode->i_private = tty;


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