Add more comments

[wimlib] / src / extract_image.c

diff --git a/src/extract_image.c b/src/extract_image.c
index fa72edb845c19e4cf52801b11b31362399d4cb0c..b18270dfb899ef1a5bc702c908930ebed23d807a 100644 (file)
--- a/src/extract_image.c
+++ b/src/extract_image.c
@@ -1027,7 +1027,7 @@ wimlib_extract_image(WIMStruct *w,
        if (num_additional_swms) {
                ret = new_joined_lookup_table(w, additional_swms,
                                              num_additional_swms, &joined_tab);
-               if (ret != 0)
+               if (ret)
                        return ret;
                w_tab_save = w->lookup_table;
                w->lookup_table = joined_tab;