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-rw-r--r--fs/nfsd/nfs4xdr.c21
1 files changed, 15 insertions, 6 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 059d4aad39b..42f9fb66100 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -251,9 +251,14 @@ nfsd4_decode_bitmap(struct nfsd4_compoundargs *argp, u32 *bmval)
DECODE_TAIL;
}
+static u32 nfsd_attrmask[] = {
+ NFSD_WRITEABLE_ATTRS_WORD0,
+ NFSD_WRITEABLE_ATTRS_WORD1
+};
+
static __be32
-nfsd4_decode_fattr(struct nfsd4_compoundargs *argp, u32 *bmval, struct iattr *iattr,
- struct nfs4_acl **acl)
+nfsd4_decode_fattr(struct nfsd4_compoundargs *argp, u32 *bmval, u32 *writable,
+ struct iattr *iattr, struct nfs4_acl **acl)
{
int expected_len, len = 0;
u32 dummy32;
@@ -271,7 +276,7 @@ nfsd4_decode_fattr(struct nfsd4_compoundargs *argp, u32 *bmval, struct iattr *ia
*/
if ((bmval[0] & ~NFSD_SUPPORTED_ATTRS_WORD0) || (bmval[1] & ~NFSD_SUPPORTED_ATTRS_WORD1))
return nfserr_attrnotsupp;
- if ((bmval[0] & ~NFSD_WRITEABLE_ATTRS_WORD0) || (bmval[1] & ~NFSD_WRITEABLE_ATTRS_WORD1))
+ if ((bmval[0] & ~writable[0]) || (bmval[1] & ~writable[1]))
return nfserr_inval;
READ_BUF(4);
@@ -499,7 +504,9 @@ nfsd4_decode_create(struct nfsd4_compoundargs *argp, struct nfsd4_create *create
if ((status = check_filename(create->cr_name, create->cr_namelen, nfserr_inval)))
return status;
- if ((status = nfsd4_decode_fattr(argp, create->cr_bmval, &create->cr_iattr, &create->cr_acl)))
+ status = nfsd4_decode_fattr(argp, create->cr_bmval, nfsd_attrmask,
+ &create->cr_iattr, &create->cr_acl);
+ if (status)
goto out;
DECODE_TAIL;
@@ -660,7 +667,9 @@ nfsd4_decode_open(struct nfsd4_compoundargs *argp, struct nfsd4_open *open)
switch (open->op_createmode) {
case NFS4_CREATE_UNCHECKED:
case NFS4_CREATE_GUARDED:
- if ((status = nfsd4_decode_fattr(argp, open->op_bmval, &open->op_iattr, &open->op_acl)))
+ status = nfsd4_decode_fattr(argp, open->op_bmval,
+ nfsd_attrmask, &open->op_iattr, &open->op_acl);
+ if (status)
goto out;
break;
case NFS4_CREATE_EXCLUSIVE:
@@ -859,7 +868,7 @@ nfsd4_decode_setattr(struct nfsd4_compoundargs *argp, struct nfsd4_setattr *seta
status = nfsd4_decode_stateid(argp, &setattr->sa_stateid);
if (status)
return status;
- return nfsd4_decode_fattr(argp, setattr->sa_bmval,
+ return nfsd4_decode_fattr(argp, setattr->sa_bmval, nfsd_attrmask,
&setattr->sa_iattr, &setattr->sa_acl);
}