NFS: don't negotiate when user specifies sec flavor
We were always attempting sec flavor negotiation, even if the user
told us a specific sec flavor to use. If that sec flavor fails,
we should return an error rather than continuing with sec flavor
negotiation.
Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 7e27ebf..b8e1ac6 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -46,6 +46,7 @@
#include <linux/nfs4.h>
#include <linux/nfs_fs.h>
#include <linux/nfs_page.h>
+#include <linux/nfs_mount.h>
#include <linux/namei.h>
#include <linux/mount.h>
#include <linux/module.h>
@@ -2234,7 +2235,7 @@
struct nfs_fsinfo *info)
{
int status = nfs4_lookup_root(server, fhandle, info);
- if (status == -EPERM)
+ if ((status == -EPERM) && !(server->flags & NFS_MOUNT_SECFLAVOUR))
status = nfs4_find_root_sec(server, fhandle, info);
if (status == 0)
status = nfs4_server_capabilities(server, fhandle);
diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index 685a8a7..75bcc3f 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -1004,6 +1004,7 @@
return 0;
}
+ mnt->flags |= NFS_MOUNT_SECFLAVOUR;
mnt->auth_flavor_len = 1;
return 1;
}