ReaderBookmark:renameBookmark: Better nil guard (#8176)

When matching a highlight to a bookmark *really* fails. (Noticed in the log from #8175)
3 years ago · 90d4d22ba6
parent cf1248393c
commit 90d4d22ba6
1 changed files with 1 additions and 1 deletions
--- a/frontend/apps/reader/modules/readerbookmark.lua
+++ b/frontend/apps/reader/modules/readerbookmark.lua
@ -621,7 +621,7 @@ function ReaderBookmark:renameBookmark(item, from_highlight)
                break
            end
        end
-        if bookmark.text == nil then -- bookmark not found
+        if not bookmark or bookmark.text == nil then -- bookmark not found
            return
        end
    else