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[PATCH for-9.1 v2 01/11] libvhost-user: set msg.msg_control to NULL when
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From: |
Stefano Garzarella |
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Subject: |
[PATCH for-9.1 v2 01/11] libvhost-user: set msg.msg_control to NULL when it is empty |
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Date: |
Tue, 26 Mar 2024 14:39:26 +0100 |
On some OS (e.g. macOS) sendmsg() returns -1 (errno EINVAL) if
the `struct msghdr` has the field `msg_controllen` set to 0, but
`msg_control` is not NULL.
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
---
subprojects/libvhost-user/libvhost-user.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/subprojects/libvhost-user/libvhost-user.c
b/subprojects/libvhost-user/libvhost-user.c
index a879149fef..22bea0c775 100644
--- a/subprojects/libvhost-user/libvhost-user.c
+++ b/subprojects/libvhost-user/libvhost-user.c
@@ -632,6 +632,7 @@ vu_message_write(VuDev *dev, int conn_fd, VhostUserMsg
*vmsg)
memcpy(CMSG_DATA(cmsg), vmsg->fds, fdsize);
} else {
msg.msg_controllen = 0;
+ msg.msg_control = NULL;
}
do {
--
2.44.0
[PATCH for-9.1 v2 04/11] vhost-user-server: don't abort if we can't set fd non-blocking, Stefano Garzarella, 2024/03/26