NFS: Send valid mode bits to the server

 inode->i_mode contains a lot more than just the mode bits. Make sure that
 we mask away this extra stuff in SETATTR calls to the server.

 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/fs/nfs/nfs3xdr.c b/fs/nfs/nfs3xdr.c
index 0498bd3..b6c0b50 100644 (file)
--- a/fs/nfs/nfs3xdr.c
+++ b/fs/nfs/nfs3xdr.c
@@ -182,7 +182,7 @@ xdr_encode_sattr(u32 *p, struct iattr *attr)
 {
        if (attr->ia_valid & ATTR_MODE) {
                *p++ = xdr_one;
-               *p++ = htonl(attr->ia_mode);
+               *p++ = htonl(attr->ia_mode & S_IALLUGO);
        } else {
                *p++ = xdr_zero;
        }

diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
index 12be1d6..4bbf5ef 100644 (file)
--- a/fs/nfs/nfs4xdr.c
+++ b/fs/nfs/nfs4xdr.c
@@ -566,7 +566,7 @@ static int encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const s
        }
        if (iap->ia_valid & ATTR_MODE) {
                bmval1 |= FATTR4_WORD1_MODE;
-               WRITE32(iap->ia_mode);
+               WRITE32(iap->ia_mode & S_IALLUGO);
        }
        if (iap->ia_valid & ATTR_UID) {
                bmval1 |= FATTR4_WORD1_OWNER;

diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index 6145e82..f5150d7 100644 (file)
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -111,6 +111,9 @@ nfs_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
        };
        int     status;
 
+       /* Mask out the non-modebit related stuff from attr->ia_mode */
+       sattr->ia_mode &= S_IALLUGO;
+
        dprintk("NFS call  setattr\n");
        nfs_fattr_init(fattr);
        status = rpc_call(NFS_CLIENT(inode), NFSPROC_SETATTR, &arg, fattr, 0);