We expose the iSCSI connection fd to userspace for reference tracking, but we
do not want userspace to actually have access to the data; mark it with
SOCK_KERNEL.
Signed-off-by: Peter Zijlstra <[email protected]>
Cc: Mike Christie <[email protected]>
---
drivers/scsi/iscsi_tcp.c | 7 +++++++
1 file changed, 7 insertions(+)
Index: linux-2.6-git/drivers/scsi/iscsi_tcp.c
===================================================================
--- linux-2.6-git.orig/drivers/scsi/iscsi_tcp.c 2007-03-22 11:29:08.000000000 +0100
+++ linux-2.6-git/drivers/scsi/iscsi_tcp.c 2007-03-22 12:00:14.000000000 +0100
@@ -1759,6 +1759,13 @@ iscsi_tcp_ep_connect(struct sockaddr *ds
goto release_sock;
}
+ /*
+ * Even though we're going to expose this socket to user-space
+ * (as an identifier for the connection and for tracking life times)
+ * we don't want it used by user-space at all.
+ */
+ sock_set_flag(sock->sk, SOCK_KERNEL);
+
rc = sock->ops->connect(sock, (struct sockaddr *)dst_addr, size,
O_NONBLOCK);
if (rc == -EINPROGRESS)
--
-
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