From: Laurent Vivier <laurent@vivier.eu>
Date: Sun, 22 May 2016 16:56:20 +0000 (+0200)
Subject: linux-user: support netlink protocol NETLINK_KOBJECT_UEVENT
X-Git-Tag: v2.7.0-rc0~137^2~41
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=b265620bfbe300528247b31de54bacfd513109e8;p=users%2Fdwmw2%2Fqemu.git

linux-user: support netlink protocol NETLINK_KOBJECT_UEVENT

This is the protocol used by udevd to manage kernel events.

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
---

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 3e4895e845..584aeccd87 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -2718,7 +2718,8 @@ static abi_long do_socket(int domain, int type, int protocol)
     }
 
     if (domain == PF_NETLINK &&
-        protocol != NETLINK_ROUTE) {
+        !(protocol == NETLINK_ROUTE ||
+          protocol == NETLINK_KOBJECT_UEVENT)) {
         return -EPFNOSUPPORT;
     }
 
@@ -2740,6 +2741,9 @@ static abi_long do_socket(int domain, int type, int protocol)
             case NETLINK_ROUTE:
                 fd_trans_register(ret, &target_netlink_route_trans);
                 break;
+            case NETLINK_KOBJECT_UEVENT:
+                /* nothing to do: messages are strings */
+                break;
             default:
                 g_assert_not_reached();
             }