commit 4adf4180f284caf4ea9cd83ce37085d50a52603b
author Max Reitz <mreitz@redhat.com> Wed Feb 25 13:08:28 2015 -0500
committer Paolo Bonzini <pbonzini@redhat.com> Wed Mar 18 12:07:21 2015 +0100
tree 9104999ed7ffeaea0214628ac4d505db5c3fbc94
parent 0379f474ddebfc69f42fa8231d86687cf29d997b

coroutine-io: Return -errno in case of error

In case qemu_co_sendv_recvv() fails without any data read, there is no
reason not to return the perfectly fine error number retrieved from
socket_error().

Signed-off-by: Max Reitz <mreitz@redhat.com>
Message-Id: <1424887718-10800-16-git-send-email-mreitz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

qemu-coroutine-io.c

diff --git a/qemu-coroutine-io.c b/qemu-coroutine-io.c
index d404926..28dc735 100644
--- a/qemu-coroutine-io.c
+++ b/qemu-coroutine-io.c
@@ -45,7 +45,7 @@
             if (err == EAGAIN || err == EWOULDBLOCK) {
                 qemu_coroutine_yield();
             } else if (done == 0) {
-                return -1;
+                return -err;
             } else {
                 break;
             }