dovecot-2.2: lib-storage: Crashfix when doing userdb lookup.

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-2.2/rev/1ad12af6efe4
changeset: 15368:1ad12af6efe4
user:      Timo Sirainen <tss at iki.fi>
date:      Sat Nov 03 14:11:29 2012 +0200
description:
lib-storage: Crashfix when doing userdb lookup.

diffstat:

 src/lib-storage/mail-storage-service.c |  3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diffs (13 lines):

diff -r 751181168b72 -r 1ad12af6efe4 src/lib-storage/mail-storage-service.c
--- a/src/lib-storage/mail-storage-service.c	Sat Nov 03 13:47:55 2012 +0200
+++ b/src/lib-storage/mail-storage-service.c	Sat Nov 03 14:11:29 2012 +0200
@@ -1010,7 +1010,8 @@
 			pool_unref(&user_pool);
 			return ret;
 		}
-		*ctx->userdb_next_fieldsp = userdb_fields;
+		if (ctx->userdb_next_fieldsp != NULL)
+			*ctx->userdb_next_fieldsp = userdb_fields;
 	} else {
 		userdb_fields = input->userdb_fields;
 	}