imapsieve plugin: Prevent possible NULL pointer dereference at transa…

…ction commit.
dovecot · Jun 20, 2016 · 358e40d · 358e40d
1 parent 44316d4
commit 358e40d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/plugins/imapsieve/imap-sieve-storage.c b/src/plugins/imapsieve/imap-sieve-storage.c
@@ -723,7 +723,7 @@ imap_sieve_mailbox_transaction_commit(
 
 	if ((lbox->super.transaction_commit(t, changes_r)) < 0)
 		ret = -1;
-	else {
+	else if (ismt != NULL) {
 		isuser->sieve_active = TRUE;
 		if (imap_sieve_mailbox_transaction_run
 			(ismt, box, changes_r) < 0)