libxl: don't check s!=NULL in libxl__abs_path

That argument should not be NULL. Let subsequent dereferencing crashes
the process.

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>

diff --git a/tools/libxl/libxl_internal.c b/tools/libxl/libxl_internal.c
index 42d548eb54f550e3ddad869fffafbaa4e4827eb1..24a09010e961437d24d3e64ae75980cb0321c2b8 100644 (file)
--- a/tools/libxl/libxl_internal.c
+++ b/tools/libxl/libxl_internal.c
@@ -233,8 +233,7 @@ void libxl__log(libxl_ctx *ctx, xentoollog_level msglevel, int errnoval,
 
 char *libxl__abs_path(libxl__gc *gc, const char *s, const char *path)
 {
-    if (!s || s[0] == '/')
-        return libxl__strdup(gc, s);
+    if (s[0] == '/') return libxl__strdup(gc, s);
     return libxl__sprintf(gc, "%s/%s", path, s);
 }