libxl: ensure var is inited in libxl__domain_firmware

Some versions of GCC complain that the 'firmware' variable can be used
uninitialized. It looks like the switch inside of the else case is just
confusing GCC.

Signed-off-by: Doug Goldstein <cardoe@cardoe.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>

diff --git a/tools/libxl/libxl_dom.c b/tools/libxl/libxl_dom.c
index 664adadced413fa4a76a3a7e2c241bf8cc0f9e1f..b825b988c7c764ebdf40dc681b2514b2f156e210 100644 (file)
--- a/tools/libxl/libxl_dom.c
+++ b/tools/libxl/libxl_dom.c
@@ -867,7 +867,7 @@ static int libxl__domain_firmware(libxl__gc *gc,
                                   struct xc_dom_image *dom)
 {
     libxl_ctx *ctx = libxl__gc_owner(gc);
-    const char *firmware;
+    const char *firmware = NULL;
     int e, rc;
     int datalen = 0;
     void *data;