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authorEric W. Biederman <ebiederm@xmission.com>2013-02-01 14:26:23 -0800
committerEric W. Biederman <ebiederm@xmission.com>2013-02-13 06:15:33 -0800
commit9ff593c4739c76c31ffdf7f2a1d67489ece728e6 (patch)
treecec4de986fba9139c02dc94e81b871ffeb87de0b /fs/nfs
parente5782076e72be2a39bf261f7db03e1769ec05198 (diff)
downloadlinux-9ff593c4739c76c31ffdf7f2a1d67489ece728e6.tar.gz
nfs: kuid and kgid conversions for nfs/inode.c
- Use uid_eq and gid_eq when comparing kuids and kgids. - Use make_kuid(&init_user_ns, -2) and make_kgid(&init_user_ns, -2) as the initial uid and gid on nfs inodes, instead of using the typeunsafe value of -2. Cc: "J. Bruce Fields" <bfields@fieldses.org> Cc: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/inode.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c
index ebeb94ce1b0..ce2b0394c4d 100644
--- a/fs/nfs/inode.c
+++ b/fs/nfs/inode.c
@@ -332,8 +332,8 @@ nfs_fhget(struct super_block *sb, struct nfs_fh *fh, struct nfs_fattr *fattr)
inode->i_version = 0;
inode->i_size = 0;
clear_nlink(inode);
- inode->i_uid = -2;
- inode->i_gid = -2;
+ inode->i_uid = make_kuid(&init_user_ns, -2);
+ inode->i_gid = make_kgid(&init_user_ns, -2);
inode->i_blocks = 0;
memset(nfsi->cookieverf, 0, sizeof(nfsi->cookieverf));
nfsi->write_io = 0;
@@ -1009,9 +1009,9 @@ static int nfs_check_inode_attributes(struct inode *inode, struct nfs_fattr *fat
/* Have any file permissions changed? */
if ((fattr->valid & NFS_ATTR_FATTR_MODE) && (inode->i_mode & S_IALLUGO) != (fattr->mode & S_IALLUGO))
invalid |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL;
- if ((fattr->valid & NFS_ATTR_FATTR_OWNER) && inode->i_uid != fattr->uid)
+ if ((fattr->valid & NFS_ATTR_FATTR_OWNER) && !uid_eq(inode->i_uid, fattr->uid))
invalid |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL;
- if ((fattr->valid & NFS_ATTR_FATTR_GROUP) && inode->i_gid != fattr->gid)
+ if ((fattr->valid & NFS_ATTR_FATTR_GROUP) && !gid_eq(inode->i_gid, fattr->gid))
invalid |= NFS_INO_INVALID_ATTR | NFS_INO_INVALID_ACCESS | NFS_INO_INVALID_ACL;
/* Has the link count changed? */
@@ -1440,7 +1440,7 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
| NFS_INO_REVAL_FORCED);
if (fattr->valid & NFS_ATTR_FATTR_OWNER) {
- if (inode->i_uid != fattr->uid) {
+ if (!uid_eq(inode->i_uid, fattr->uid)) {
invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
inode->i_uid = fattr->uid;
}
@@ -1451,7 +1451,7 @@ static int nfs_update_inode(struct inode *inode, struct nfs_fattr *fattr)
| NFS_INO_REVAL_FORCED);
if (fattr->valid & NFS_ATTR_FATTR_GROUP) {
- if (inode->i_gid != fattr->gid) {
+ if (!gid_eq(inode->i_gid, fattr->gid)) {
invalid |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL;
inode->i_gid = fattr->gid;
}