diff options
Diffstat (limited to 'fs/nfsd/vfs.c')
| -rw-r--r-- | fs/nfsd/vfs.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 2a8d665b134..819545d2167 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -368,7 +368,7 @@ nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp, struct iattr *iap, /* Revoke setuid/setgid bit on chown/chgrp */ if ((iap->ia_valid & ATTR_UID) && iap->ia_uid != inode->i_uid) - iap->ia_valid |= ATTR_KILL_SUID; + iap->ia_valid |= ATTR_KILL_SUID | ATTR_KILL_PRIV; if ((iap->ia_valid & ATTR_GID) && iap->ia_gid != inode->i_gid) iap->ia_valid |= ATTR_KILL_SGID; @@ -865,6 +865,15 @@ static int nfsd_direct_splice_actor(struct pipe_inode_info *pipe, return __splice_from_pipe(pipe, sd, nfsd_splice_actor); } +static inline int svc_msnfs(struct svc_fh *ffhp) +{ +#ifdef MSNFS + return (ffhp->fh_export->ex_flags & NFSEXP_MSNFS); +#else + return 0; +#endif +} + static __be32 nfsd_vfs_read(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file, loff_t offset, struct kvec *vec, int vlen, unsigned long *count) @@ -877,11 +886,9 @@ nfsd_vfs_read(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file, err = nfserr_perm; inode = file->f_path.dentry->d_inode; -#ifdef MSNFS - if ((fhp->fh_export->ex_flags & NFSEXP_MSNFS) && - (!lock_may_read(inode, offset, *count))) + + if (svc_msnfs(fhp) && !lock_may_read(inode, offset, *count)) goto out; -#endif /* Get readahead parameters */ ra = nfsd_get_raparms(inode->i_sb->s_dev, inode->i_ino); @@ -930,7 +937,7 @@ out: static void kill_suid(struct dentry *dentry) { struct iattr ia; - ia.ia_valid = ATTR_KILL_SUID | ATTR_KILL_SGID; + ia.ia_valid = ATTR_KILL_SUID | ATTR_KILL_SGID | ATTR_KILL_PRIV; mutex_lock(&dentry->d_inode->i_mutex); notify_change(dentry, &ia); |