On Sun, 13 Dec 2009, Geert Uytterhoeven wrote:
> As of commit ee18d64c1f632043a02e6f5ba5e045bb26a5465f ("KEYS: Add a keyctl to
> install a process's session keyring on its parent [try #6]"), CONFIG_KEYS=y
> fails to build on architectures that haven't implemented TIF_NOTIFY_RESUME
> yet:
>
> security/keys/keyctl.c: In function 'keyctl_session_to_parent':
> security/keys/keyctl.c:1312: error: 'TIF_NOTIFY_RESUME' undeclared (first use
> in this function)
> security/keys/keyctl.c:1312: error: (Each undeclared identifier is reported
> only once
> security/keys/keyctl.c:1312: error: for each function it appears in.)
>
> Make KEYCTL_SESSION_TO_PARENT depend on TIF_NOTIFY_RESUME until blackfin,
> m68k, and xtensa have implemented it.
>
> Signed-off-by: Geert Uytterhoeven <[email protected]>
> Cc: [email protected]
Looks ok to me -- once we have an ack from David, I'll add it to my tree
and push to Linus with another fix.
> ---
> 1. This fixes a regression in 2.6.32.
> 2. Long-time build issues like this make linux-next miss newer build
> problems.
>
> security/keys/keyctl.c | 10 ++++++++++
> 1 files changed, 10 insertions(+), 0 deletions(-)
>
> diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c
> index 06ec722..3a9ad87 100644
> --- a/security/keys/keyctl.c
> +++ b/security/keys/keyctl.c
> @@ -1236,6 +1236,7 @@ long keyctl_get_security(key_serial_t keyid,
> */
> long keyctl_session_to_parent(void)
> {
> +#ifdef TIF_NOTIFY_RESUME
> struct task_struct *me, *parent;
> const struct cred *mycred, *pcred;
> struct cred *cred, *oldcred;
> @@ -1326,6 +1327,15 @@ not_permitted:
> error_keyring:
> key_ref_put(keyring_r);
> return ret;
> +
> +#else /* !TIF_NOTIFY_RESUME */
> + /*
> + * To be removed when TIF_NOTIFY_RESUME has been implemented on
> + * blackfin/m68k/xtensa
> + */
> +#warning TIF_NOTIFY_RESUME not implemented
> + return -EOPNOTSUPP;
> +#endif /* !TIF_NOTIFY_RESUME */
> }
>
>
> /*****************************************************************************/
> --
> 1.6.0.4
>
> Gr{oetje,eeting}s,
>
> Geert
>
> --
> Geert Uytterhoeven -- There's lots of Linux beyond ia32 --
> [email protected]
>
> In personal conversations with technical people, I call myself a hacker. But
> when I'm talking to journalists I just say "programmer" or something like
> that.
> -- Linus Torvalds
>
--
James Morris
<[email protected]>
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