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Subject[PATCH 17/52] CRED: Make rpcauth_lookupcred() take a credentials pointer
Date
Make rpcauth_lookupcred() take a credentials pointer.

Signed-off-by: David Howells <dhowells@redhat.com>
---

fs/nfs/dir.c | 3 ++-
fs/nfs/inode.c | 2 +-
fs/nfs/nfs4proc.c | 12 ++++++++----
fs/nfs/unlink.c | 3 ++-
include/linux/sunrpc/auth.h | 3 ++-
net/sunrpc/auth.c | 4 ++--
6 files changed, 17 insertions(+), 10 deletions(-)

diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index e4a04d1..53b9e24 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1959,6 +1959,7 @@ out:

int nfs_permission(struct inode *inode, int mask, struct nameidata *nd)
{
+ struct cred *acred = current->cred;
struct rpc_cred *cred;
int res = 0;

@@ -1995,7 +1996,7 @@ force_lookup:
if (!NFS_PROTO(inode)->access)
goto out_notsup;

- cred = rpcauth_lookupcred(NFS_CLIENT(inode)->cl_auth, 0);
+ cred = rpcauth_lookupcred(NFS_CLIENT(inode)->cl_auth, 0, acred);
if (!IS_ERR(cred)) {
res = nfs_do_access(inode, cred, mask);
put_rpccred(cred);
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index 71a49c3..0dd2ac3 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -555,7 +555,7 @@ int nfs_open(struct inode *inode, struct file *filp)
struct nfs_open_context *ctx;
struct rpc_cred *cred;

- cred = rpcauth_lookupcred(NFS_CLIENT(inode)->cl_auth, 0);
+ cred = rpcauth_lookupcred(NFS_CLIENT(inode)->cl_auth, 0, filp->f_cred);
if (IS_ERR(cred))
return PTR_ERR(cred);
ctx = alloc_nfs_open_context(filp->f_path.mnt, filp->f_path.dentry, cred);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 4b90e17..9a02b61 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1403,6 +1403,7 @@ out_close:
struct dentry *
nfs4_atomic_open(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
{
+ struct cred *acred = current->cred;
struct path path = {
.mnt = nd->mnt,
.dentry = dentry,
@@ -1422,7 +1423,7 @@ nfs4_atomic_open(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
BUG_ON(nd->intent.open.flags & O_CREAT);
}

- cred = rpcauth_lookupcred(NFS_CLIENT(dir)->cl_auth, 0);
+ cred = rpcauth_lookupcred(NFS_CLIENT(dir)->cl_auth, 0, acred);
if (IS_ERR(cred))
return (struct dentry *)cred;
state = nfs4_do_open(dir, &path, nd->intent.open.flags, &attr, cred);
@@ -1442,6 +1443,7 @@ nfs4_atomic_open(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
int
nfs4_open_revalidate(struct inode *dir, struct dentry *dentry, int openflags, struct nameidata *nd)
{
+ struct cred *acred = current->cred;
struct path path = {
.mnt = nd->mnt,
.dentry = dentry,
@@ -1449,7 +1451,7 @@ nfs4_open_revalidate(struct inode *dir, struct dentry *dentry, int openflags, st
struct rpc_cred *cred;
struct nfs4_state *state;

- cred = rpcauth_lookupcred(NFS_CLIENT(dir)->cl_auth, 0);
+ cred = rpcauth_lookupcred(NFS_CLIENT(dir)->cl_auth, 0, acred);
if (IS_ERR(cred))
return PTR_ERR(cred);
state = nfs4_do_open(dir, &path, openflags, NULL, cred);
@@ -1657,6 +1659,7 @@ static int
nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
struct iattr *sattr)
{
+ struct cred *acred = current->cred;
struct rpc_cred *cred;
struct inode *inode = dentry->d_inode;
struct nfs_open_context *ctx;
@@ -1665,7 +1668,7 @@ nfs4_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,

nfs_fattr_init(fattr);

- cred = rpcauth_lookupcred(NFS_CLIENT(inode)->cl_auth, 0);
+ cred = rpcauth_lookupcred(NFS_CLIENT(inode)->cl_auth, 0, acred);
if (IS_ERR(cred))
return PTR_ERR(cred);

@@ -1885,6 +1888,7 @@ static int
nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
int flags, struct nameidata *nd)
{
+ struct cred *acred = current->cred;
struct path path = {
.mnt = nd->mnt,
.dentry = dentry,
@@ -1893,7 +1897,7 @@ nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
struct rpc_cred *cred;
int status = 0;

- cred = rpcauth_lookupcred(NFS_CLIENT(dir)->cl_auth, 0);
+ cred = rpcauth_lookupcred(NFS_CLIENT(dir)->cl_auth, 0, acred);
if (IS_ERR(cred)) {
status = PTR_ERR(cred);
goto out;
diff --git a/fs/nfs/unlink.c b/fs/nfs/unlink.c
index 045ab80..c6bcd5c 100644
--- a/fs/nfs/unlink.c
+++ b/fs/nfs/unlink.c
@@ -144,6 +144,7 @@ out_free:
int
nfs_async_unlink(struct inode *dir, struct dentry *dentry)
{
+ struct cred *acred = current->cred;
struct nfs_unlinkdata *data;
int status = -ENOMEM;

@@ -151,7 +152,7 @@ nfs_async_unlink(struct inode *dir, struct dentry *dentry)
if (data == NULL)
goto out;

- data->cred = rpcauth_lookupcred(NFS_CLIENT(dir)->cl_auth, 0);
+ data->cred = rpcauth_lookupcred(NFS_CLIENT(dir)->cl_auth, 0, acred);
if (IS_ERR(data->cred)) {
status = PTR_ERR(data->cred);
goto out_free;
diff --git a/include/linux/sunrpc/auth.h b/include/linux/sunrpc/auth.h
index 8f97f9a..63fe023 100644
--- a/include/linux/sunrpc/auth.h
+++ b/include/linux/sunrpc/auth.h
@@ -129,7 +129,8 @@ struct rpc_auth * rpcauth_create(rpc_authflavor_t, struct rpc_clnt *);
void rpcauth_release(struct rpc_auth *);
struct rpc_cred * rpcauth_lookup_credcache(struct rpc_auth *, struct cred *, int);
void rpcauth_init_cred(struct rpc_cred *, const struct cred *, struct rpc_auth *, const struct rpc_credops *);
-struct rpc_cred * rpcauth_lookupcred(struct rpc_auth *, int);
+struct rpc_cred * rpcauth_lookupcred(struct rpc_auth *, int,
+ struct cred *);
struct rpc_cred * rpcauth_bindcred(struct rpc_task *);
void rpcauth_holdcred(struct rpc_task *);
void put_rpccred(struct rpc_cred *);
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index 362a0de..d1cc555 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -334,11 +334,11 @@ out:
}

struct rpc_cred *
-rpcauth_lookupcred(struct rpc_auth *auth, int flags)
+rpcauth_lookupcred(struct rpc_auth *auth, int flags, struct cred *acred)
{
dprintk("RPC: looking up %s cred\n",
auth->au_ops->au_name);
- return auth->au_ops->lookup_cred(auth, current->cred, flags);
+ return auth->au_ops->lookup_cred(auth, acred, flags);
}

void
-
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