libxl: fix typo in libxl__hotplug_nic error checking

Coverity-ID: 1055945
Signed-off-by: Matthew Daley <mattjd@gmail.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>

diff --git a/tools/libxl/libxl_linux.c b/tools/libxl/libxl_linux.c
index 37815eb650701ba8e5592781002ed160d94df1aa..ea5d8c16782b81fd093805c6f3d1c1fa0b580559 100644 (file)
--- a/tools/libxl/libxl_linux.c
+++ b/tools/libxl/libxl_linux.c
@@ -170,7 +170,7 @@ static int libxl__hotplug_nic(libxl__gc *gc, libxl__device *dev,
     }
 
     *env = get_hotplug_env(gc, script, dev);
-    if (!env) {
+    if (!*env) {
         rc = ERROR_FAIL;
         goto out;
     }