dovecot-2.0: lib-storage: Don't crash in mailbox_transaction_com...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.0/rev/25a1c1739a63
changeset: 11900:25a1c1739a63
user:      Timo Sirainen <tss at iki.fi>
date:      Mon Jul 26 19:10:21 2010 +0100
description:
lib-storage: Don't crash in mailbox_transaction_commit() if plugin aborts transaction.

diffstat:

 src/lib-storage/mail-storage.c |  4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diffs (15 lines):

diff -r 636d34f650c2 -r 25a1c1739a63 src/lib-storage/mail-storage.c
--- a/src/lib-storage/mail-storage.c	Fri Jul 23 21:08:55 2010 +0100
+++ b/src/lib-storage/mail-storage.c	Mon Jul 26 19:10:21 2010 +0100
@@ -1175,8 +1175,10 @@
 
 	/* Store changes temporarily so that plugins overriding
 	   transaction_commit() can look at them. */
+	changes.pool = NULL;
 	ret = mailbox_transaction_commit_get_changes(t, &changes);
-	pool_unref(&changes.pool);
+	if (changes.pool != NULL)
+		pool_unref(&changes.pool);
 	return ret;
 }