for-linus-2019-11-21
-----BEGIN PGP SIGNATURE-----

iHUEABYKAB0WIQRAhzRXHqcMeLMyaSiRxhvAZXjcogUCXdZ1DwAKCRCRxhvAZXjc
orgYAP4k65bWhN5w3Qm60Wf+azD/mcDknhIhjsu3d0B4RnIfuwD8CytoLMgwLDm0
ZWbFscczIO3iv3KYuZEnC6j5PgyPtAs=
=r8Sd
-----END PGP SIGNATURE-----
fork: fix pidfd_poll()'s return type

pidfd_poll() is defined as returning 'unsigned int' but the
.poll method is declared as returning '__poll_t', a bitwise type.

Fix this by using the proper return type and using the EPOLL
constants instead of the POLL ones, as required for __poll_t.

Fixes: b53b0b9d9a61 ("pidfd: add polling support")
Cc: Joel Fernandes (Google) <joel@joelfernandes.org>
Cc: stable@vger.kernel.org # 5.3
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@gmail.com>
Reviewed-by: Christian Brauner <christian.brauner@ubuntu.com>
Link: https://lore.kernel.org/r/20191120003320.31138-1-luc.vanoostenryck@gmail.com
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
1 file changed