patch-2.3.4 linux/drivers/block/loop.c

• Lines: 9
• Date: Sun May 30 10:17:43 1999
• Orig file: v2.3.3/linux/drivers/block/loop.c
• Orig date: Thu Jan 14 10:33:36 1999

diff -u --recursive --new-file v2.3.3/linux/drivers/block/loop.c linux/drivers/block/loop.c
@@ -504,6 +504,8 @@
 	if ((unsigned int) info.lo_encrypt_key_size > LO_KEY_SIZE)
 		return -EINVAL;
 	type = info.lo_encrypt_type; 
+	if (info.lo_encrypt_key_size == 0 && type == LO_CRYPT_XOR)
+		return -EINVAL;
 	if (type >= MAX_LO_CRYPT || xfer_funcs[type] == NULL)
 		return -EINVAL;
 	err = loop_release_xfer(lo);