From 787d134fb164e0395685744ef75829c15f5aee8d Mon Sep 17 00:00:00 2001 From: Liang Li Date: Tue, 9 Aug 2016 08:22:26 +0800 Subject: [PATCH] migration: fix live migration failure with compression Because of commit 11808bb0c422, which remove some condition checks of 'f->ops->writev_buffer', 'qemu_put_qemu_file' should be enhanced to clear the 'f_src->iovcnt', or 'f_src->iovcnt' may exceed the MAX_IOV_SIZE which will break live migration. This should be fixed. Signed-off-by: Liang Li Reported-by: Jinshi Zhang Reviewed-by: Dr. David Alan Gilbert Message-Id: <1470702146-24399-1-git-send-email-liang.z.li@intel.com> Signed-off-by: Amit Shah --- migration/qemu-file.c | 1 + 1 file changed, 1 insertion(+) diff --git a/migration/qemu-file.c b/migration/qemu-file.c index bbc565eb53cb..e9fae3115882 100644 --- a/migration/qemu-file.c +++ b/migration/qemu-file.c @@ -668,6 +668,7 @@ int qemu_put_qemu_file(QEMUFile *f_des, QEMUFile *f_src) len = f_src->buf_index; qemu_put_buffer(f_des, f_src->buf, f_src->buf_index); f_src->buf_index = 0; + f_src->iovcnt = 0; } return len; }