NFS: Make nfs_fhget() return appropriate error values
Currently it returns NULL, which usually gets interpreted as ENOMEM. In
fact it can mean a host of issues.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 609185a..06c48b3 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -901,9 +901,9 @@
res = ERR_PTR(error);
goto out_unlock;
}
- res = ERR_PTR(-EACCES);
inode = nfs_fhget(dentry->d_sb, &fhandle, &fattr);
- if (!inode)
+ res = (struct dentry *)inode;
+ if (IS_ERR(res))
goto out_unlock;
no_entry:
res = d_add_unique(dentry, inode);
@@ -1096,7 +1096,7 @@
return NULL;
dentry->d_op = NFS_PROTO(dir)->dentry_ops;
inode = nfs_fhget(dentry->d_sb, entry->fh, entry->fattr);
- if (!inode) {
+ if (IS_ERR(inode)) {
dput(dentry);
return NULL;
}
@@ -1134,9 +1134,9 @@
if (error < 0)
goto out_err;
}
- error = -ENOMEM;
inode = nfs_fhget(dentry->d_sb, fhandle, fattr);
- if (inode == NULL)
+ error = PTR_ERR(inode);
+ if (IS_ERR(inode))
goto out_err;
d_instantiate(dentry, inode);
return 0;