random cleanup

src/platform/vboot_reference/misclibs/file_keys.c

Index: src/platform/vboot_reference/misclibs/file_keys.c
diff --git a/src/platform/vboot_reference/misclibs/file_keys.c b/src/platform/vboot_reference/misclibs/file_keys.c
index 4963bf4182e23c47209a07c89a156759b657896b..00b8d1345c17efd600fc6d08fb0773c7ac2bc4b3 100644
--- a/src/platform/vboot_reference/misclibs/file_keys.c
+++ b/src/platform/vboot_reference/misclibs/file_keys.c
@@ -30,14 +30,16 @@ uint8_t* BufferFromFile(const char* input_file, uint64_t* len) {
   }
 
   if (-1 == fstat(fd, &stat_fd)) {
-    debug("Couldn't stat file\n");
+    debug("Couldn't stat file.\n");
     return NULL;
   }
   *len = stat_fd.st_size;
 
   buf = (uint8_t*) Malloc(*len);
-  if (!buf)
+  if (!buf) {
+    error("Couldn't allocate %ld bytes.\n", *len);
     return NULL;
+  }
 
   if (*len != read(fd, buf, *len)) {
     debug("Couldn't read file into a buffer.\n");