[Xen-changelog] [xen staging] libxl: Fix xl shutdown for HVM without PV drivers

[patchbot@xxxxxxx]

commit 60d6ba1916dce0622a53b00dbae3c01d0761057e
Author:     Olaf Hering <olaf@xxxxxxxxx>
AuthorDate: Wed Mar 18 17:51:51 2020 +0100
Commit:     Wei Liu <wl@xxxxxxx>
CommitDate: Sat Mar 21 16:44:15 2020 +0000

    libxl: Fix xl shutdown for HVM without PV drivers
    
    A return value of zero means no PV drivers. Restore a hunk which was 
removed.
    
    Fixes commit b183e180bce93037d3ef385a8c2338bbfb7f23d9
    
    Signed-off-by: Olaf Hering <olaf@xxxxxxxxx>
    Acked-by: Wei Liu <wl@xxxxxxx>
---
 tools/libxl/libxl_domain.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/libxl/libxl_domain.c b/tools/libxl/libxl_domain.c
index 41d08394f3..fef2cd4e13 100644
--- a/tools/libxl/libxl_domain.c
+++ b/tools/libxl/libxl_domain.c
@@ -774,6 +774,9 @@ int libxl__domain_pvcontrol(libxl__egc *egc, 
libxl__xswait_state *pvcontrol,
     if (rc < 0)
         return rc;
 
+    if (!rc)
+        return ERROR_NOPARAVIRT;
+
     shutdown_path = libxl__domain_pvcontrol_xspath(gc, domid);
     if (!shutdown_path)
         return ERROR_FAIL;
--
generated by git-patchbot for /home/xen/git/xen.git#staging

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