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-rw-r--r--source3/printing/printing_db.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/source3/printing/printing_db.c b/source3/printing/printing_db.c
index adea10dfa6..c62409c890 100644
--- a/source3/printing/printing_db.c
+++ b/source3/printing/printing_db.c
@@ -55,7 +55,9 @@ struct tdb_print_db *get_print_db_byname(const char *printername)
/* Not found. */
if (num_open >= MAX_PRINT_DBS_OPEN) {
/* Try and recycle the last entry. */
- DLIST_PROMOTE(print_db_head, last_entry);
+ if (print_db_head && last_entry) {
+ DLIST_PROMOTE(print_db_head, last_entry);
+ }
for (p = print_db_head; p; p = p->next) {
if (p->ref_count)
@@ -72,7 +74,7 @@ struct tdb_print_db *get_print_db_byname(const char *printername)
memset(p->printer_name, '\0', sizeof(p->printer_name));
break;
}
- if (p) {
+ if (p && print_db_head) {
DLIST_PROMOTE(print_db_head, p);
p = print_db_head;
}