From: Paolo Bonzini <pbonz...@redhat.com>
This can be seen with "qemu-nbd -v -c", which returns 1 instead of 0
when you disconnect with "qemu-nbd -d".
Signed-off-by: Paolo Bonzini <pbonz...@redhat.com>
Signed-off-by: Kevin Wolf <kw...@redhat.com>
---
nbd.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/nbd.c b/nbd.c
index fb5e424..e6c931c 100644
--- a/nbd.c
+++ b/nbd.c
@@ -425,6 +425,13 @@ int nbd_client(int fd)
TRACE("Doing NBD loop");
ret = ioctl(fd, NBD_DO_IT);
+ if (ret == -1 && errno == EPIPE) {
+ /* NBD_DO_IT normally returns EPIPE when someone has disconnected
+ * the socket via NBD_DISCONNECT. We do not want to return 1 in
+ * that case.
+ */
+ ret = 0;
+ }
serrno = errno;
TRACE("NBD loop returned %d: %s", ret, strerror(serrno));
--
1.7.6.4
