Check for presence of prevl before using

2015-07-26 00:12:39 -06:00
parent dac68e4d90
commit 66036b0db6
1 changed files with 4 additions and 2 deletions
--- a/buffer.c
+++ b/buffer.c
@@ -761,8 +761,10 @@ readBufferCache(Buffer *buf)
 	}
 #endif
    }
-    buf->lastLine = prevl;
-    buf->lastLine->next = NULL;
+    if (prevl) {
+	    buf->lastLine = prevl;
+	    buf->lastLine->next = NULL;
+    }
    fclose(cache);
    unlink(buf->savecache);
    buf->savecache = NULL;