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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>
This commit is contained in:
Bryan Schumaker 2011-04-13 14:31:30 -04:00 committed by Trond Myklebust
parent 801a16dc7b
commit 9b7160c55a
2 changed files with 3 additions and 1 deletions
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3
fs/nfs/nfs4proc.c
View File

@ -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 @@ static int nfs4_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle,
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);

1
fs/nfs/super.c
View File

@ -1004,6 +1004,7 @@ static int nfs_parse_security_flavors(char *value,
return 0;
}
mnt->flags |= NFS_MOUNT_SECFLAVOUR;
mnt->auth_flavor_len = 1;
return 1;
}