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[RFC,03/14] vhost-user: Explicit we ignore some QEMUChrEvent in IOEventHandler

Message ID 20191217163808.20068-4-philmd@redhat.com (mailing list archive)
State New, archived
Headers show
Series chardev: Use QEMUChrEvent enum in IOEventHandler typedef | expand

Commit Message

Philippe Mathieu-Daudé Dec. 17, 2019, 4:37 p.m. UTC 
The Chardev events are listed in the QEMUChrEvent enum. To be
able to use this enum in the IOEventHandler typedef, we need to
explicit when frontends ignore some events, to silent GCC the
following warnings:

    CC      backends/cryptodev-vhost-user.o
  backends/cryptodev-vhost-user.c: In function ‘cryptodev_vhost_user_event’:
  backends/cryptodev-vhost-user.c:163:5: error: enumeration value ‘CHR_EVENT_BREAK’ not handled in switch [-Werror=switch]
    163 |     switch (event) {
        |     ^~~~~~
  backends/cryptodev-vhost-user.c:163:5: error: enumeration value ‘CHR_EVENT_MUX_IN’ not handled in switch [-Werror=switch]
  backends/cryptodev-vhost-user.c:163:5: error: enumeration value ‘CHR_EVENT_MUX_OUT’ not handled in switch [-Werror=switch]
  cc1: all warnings being treated as errors

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
Cc: "Gonglei (Arei)" <arei.gonglei@huawei.com>
---
 backends/cryptodev-vhost-user.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/backends/cryptodev-vhost-user.c b/backends/cryptodev-vhost-user.c
index b344283940..d700934a0e 100644
--- a/backends/cryptodev-vhost-user.c
+++ b/backends/cryptodev-vhost-user.c
@@ -171,6 +171,9 @@  static void cryptodev_vhost_user_event(void *opaque, int event)
         b->ready = false;
         cryptodev_vhost_user_stop(queues, s);
         break;
+    default:
+        /* Ignore */
+        break;
     }
 }