fix crash that link preview attachment is might be null

4 years ago · 794ac0c954
parent e70072a751
commit 794ac0c954
1 changed files with 1 additions and 1 deletions
--- a/Signal/src/ViewControllers/ConversationView/ConversationViewItem.m
+++ b/Signal/src/ViewControllers/ConversationView/ConversationViewItem.m
@ -705,7 +705,7 @@ NSString *NSStringForOWSMessageCellType(OWSMessageCellType cellType)

    if (self.hasBodyText && message.linkPreview) {
        self.linkPreview = message.linkPreview;
-        if (message.linkPreview.imageAttachmentId.length > 0) {
+        if (message.linkPreview.imageAttachmentId && message.linkPreview.imageAttachmentId.length) {
            TSAttachment *_Nullable linkPreviewAttachment =
                [TSAttachment fetchObjectWithUniqueID:message.linkPreview.imageAttachmentId transaction:transaction];
            if (!linkPreviewAttachment) {