smbd: Make share_mode_memcache_fetch() use a const ptr

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>

diff --git a/source3/locking/share_mode_lock.c b/source3/locking/share_mode_lock.c
index bbe22db10e51be18e39027c53e94b11711a55095..e72b7215e508b85da6d81712900b0e2602ecd6a0 100644 (file)
--- a/source3/locking/share_mode_lock.c
+++ b/source3/locking/share_mode_lock.c
@@ -285,9 +285,11 @@ static int share_mode_data_nofree_destructor(struct share_mode_data *d)
        return -1;
 }
 
-static struct share_mode_data *share_mode_memcache_fetch(TALLOC_CTX *mem_ctx,
-                                       const TDB_DATA id_key,
-                                       DATA_BLOB *blob)
+static struct share_mode_data *share_mode_memcache_fetch(
+       TALLOC_CTX *mem_ctx,
+       const TDB_DATA id_key,
+       const uint8_t *buf,
+       size_t buflen)
 {
        enum ndr_err_code ndr_err;
        struct share_mode_data *d;
@@ -316,7 +318,7 @@ static struct share_mode_data *share_mode_memcache_fetch(TALLOC_CTX *mem_ctx,
        }
        /* sequence number key is at start of blob. */
        ndr_err = get_share_mode_blob_header(
-               blob->data, blob->length, &sequence_number, &flags);
+               buf, buflen, &sequence_number, &flags);
        if (ndr_err != NDR_ERR_SUCCESS) {
                /* Bad blob. Remove entry. */
                DBG_DEBUG("bad blob %u key %s\n",
@@ -383,7 +385,7 @@ static struct share_mode_data *parse_share_modes(TALLOC_CTX *mem_ctx,
        blob.length = dbuf.dsize;
 
        /* See if we already have a cached copy of this key. */
-       d = share_mode_memcache_fetch(mem_ctx, key, &blob);
+       d = share_mode_memcache_fetch(mem_ctx, key, dbuf.dptr, dbuf.dsize);
        if (d != NULL) {
                return d;
        }