[Xen-devel] [PATCH for-4.6] tools: libxl: check errors from libxl_create_logfile for stubdom log

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

Spotted by Coverity after the recent similar fix to
libxl__create_qemu_logfile.

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
---
 tools/libxl/libxl_dm.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/libxl/libxl_dm.c b/tools/libxl/libxl_dm.c
index f9911ac..36deb2c 100644
--- a/tools/libxl/libxl_dm.c
+++ b/tools/libxl/libxl_dm.c
@@ -1257,7 +1257,8 @@ static void spawn_stub_launch_dm(libxl__egc *egc,
             case STUBDOM_CONSOLE_LOGGING:
                 name = libxl__sprintf(gc, "qemu-dm-%s",
                                       libxl_domid_to_name(ctx, guest_domid));
-                libxl_create_logfile(ctx, name, &filename);
+                ret = libxl_create_logfile(ctx, name, &filename);
+                if (ret) goto out;
                 console[i].output = libxl__sprintf(gc, "file:%s", filename);
                 free(filename);
                 break;
-- 
2.1.4


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