[PATCH 4.19 232/346] um: Monitor error events in IRQ controller

[Greg Kroah-Hartman]

From: Anton Ivanov <anton.iva...@cambridgegreys.com>

[ Upstream commit e3a01cbee9c5f2c6fc813dd6af007716e60257e7 ]

Ensure that file closes, connection closes, etc are propagated
as interrupts in the interrupt controller.

Fixes: ff6a17989c08 ("Epoll based IRQ controller")
Signed-off-by: Anton Ivanov <anton.iva...@cambridgegreys.com>
Signed-off-by: Richard Weinberger <rich...@nod.at>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 arch/um/os-Linux/irq.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/um/os-Linux/irq.c b/arch/um/os-Linux/irq.c
index 365823010346a..90ef404622805 100644
--- a/arch/um/os-Linux/irq.c
+++ b/arch/um/os-Linux/irq.c
@@ -48,7 +48,7 @@ int os_epoll_triggered(int index, int events)
 int os_event_mask(int irq_type)
 {
        if (irq_type == IRQ_READ)
-               return EPOLLIN | EPOLLPRI;
+               return EPOLLIN | EPOLLPRI | EPOLLERR | EPOLLHUP | EPOLLRDHUP;
        if (irq_type == IRQ_WRITE)
                return EPOLLOUT;
        return 0;
-- 
2.27.0