AUTOFS: allow removing entries from hash table

There is a timed desctructor in the autofs responder that, when the
entry timeout passes, removes the autofs map from the hash table while
the map is freed. This patch adds a hash delete callback so that if the
map is removed from the hash table with hash_delete, its hash table
pointer will be invalidated. Later, when the entry is being freed, the
destructor won't attempt to remove it from the hash table.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/responder/autofs/autofssrv.c b/src/responder/autofs/autofssrv.c
index 86a816a34..d7c10d6c9 100644
--- a/src/responder/autofs/autofssrv.c
+++ b/src/responder/autofs/autofssrv.c
@@ -158,7 +158,8 @@ autofs_process_init(TALLOC_CTX *mem_ctx,
     }
 
     /* Create the lookup table for setautomntent results */
-    hret = sss_hash_create(autofs_ctx, 10, &autofs_ctx->maps);
+    hret = sss_hash_create_ex(autofs_ctx, 10, &autofs_ctx->maps, 0, 0, 0, 0,
+                              autofs_map_hash_delete_cb, NULL);
     if (hret != HASH_SUCCESS) {
         DEBUG(SSSDBG_CRIT_FAILURE,
               ("Unable to initialize automount maps hash table\n"));