dovecot-2.1: lib-storage: Keep mail_user referenced while storag...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.1/rev/b7995a25c052
changeset: 13580:b7995a25c052
user:      Timo Sirainen <tss at iki.fi>
date:      Sun Oct 02 16:34:41 2011 +0300
description:
lib-storage: Keep mail_user referenced while storage objects exist.
This allows unreferencing mail_user after mailbox_alloc() and having it
freed on mailbox_free().

diffstat:

 src/lib-storage/mail-storage.c |  8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diffs (25 lines):

diff -r f41a3dd03be2 -r b7995a25c052 src/lib-storage/mail-storage.c
--- a/src/lib-storage/mail-storage.c	Sun Oct 02 16:33:51 2011 +0300
+++ b/src/lib-storage/mail-storage.c	Sun Oct 02 16:34:41 2011 +0300
@@ -419,7 +419,8 @@
 {
 	i_assert(storage->refcount > 0);
 
-	storage->obj_refcount++;
+	if (storage->obj_refcount++ == 0)
+		mail_user_ref(storage->user);
 }
 
 void mail_storage_obj_unref(struct mail_storage *storage)
@@ -427,7 +428,10 @@
 	i_assert(storage->refcount > 0);
 	i_assert(storage->obj_refcount > 0);
 
-	storage->obj_refcount--;
+	if (--storage->obj_refcount == 0) {
+		struct mail_user *user = storage->user;
+		mail_user_unref(&user);
+	}
 }
 
 void mail_storage_clear_error(struct mail_storage *storage)