dovecot-2.0: quota: Don't crash if user has quota disabled.

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.0/rev/e5f0231b7a40
changeset: 12191:e5f0231b7a40
user:      Timo Sirainen <tss at iki.fi>
date:      Tue Sep 28 16:05:40 2010 +0100
description:
quota: Don't crash if user has quota disabled.

diffstat:

 src/plugins/quota/quota-storage.c |  6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diffs (23 lines):

diff -r d75a01131ddc -r e5f0231b7a40 src/plugins/quota/quota-storage.c
--- a/src/plugins/quota/quota-storage.c	Mon Sep 27 19:53:07 2010 +0100
+++ b/src/plugins/quota/quota-storage.c	Tue Sep 28 16:05:40 2010 +0100
@@ -505,6 +505,9 @@
 	struct quota_root *root;
 	bool add;
 
+	if (QUOTA_USER_CONTEXT(list->ns->user) == NULL)
+		return;
+
 	/* see if we have a quota explicitly defined for this namespace */
 	quota = quota_get_mail_user_quota(list->ns->user);
 	root = quota_find_root_for_ns(quota, list->ns);
@@ -566,6 +569,9 @@
 	struct quota_root *const *roots;
 	unsigned int i, count;
 
+	if (QUOTA_USER_CONTEXT(namespaces->user) == NULL)
+		return;
+
 	quota = quota_get_mail_user_quota(namespaces->user);
 	roots = array_get(&quota->roots, &count);
 	for (i = 0; i < count; i++)