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-rw-r--r--fs/exportfs/expfs.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c
index 207ba8d627ca..a4b531be9168 100644
--- a/fs/exportfs/expfs.c
+++ b/fs/exportfs/expfs.c
@@ -428,10 +428,10 @@ struct dentry *exportfs_decode_fh(struct vfsmount *mnt, struct fid *fid,
if (!nop || !nop->fh_to_dentry)
return ERR_PTR(-ESTALE);
result = nop->fh_to_dentry(mnt->mnt_sb, fid, fh_len, fileid_type);
- if (!result)
- result = ERR_PTR(-ESTALE);
- if (IS_ERR(result))
- return result;
+ if (PTR_ERR(result) == -ENOMEM)
+ return ERR_CAST(result);
+ if (IS_ERR_OR_NULL(result))
+ return ERR_PTR(-ESTALE);
if (d_is_dir(result)) {
/*
@@ -541,6 +541,8 @@ struct dentry *exportfs_decode_fh(struct vfsmount *mnt, struct fid *fid,
err_result:
dput(result);
+ if (err != -ENOMEM)
+ err = -ESTALE;
return ERR_PTR(err);
}
EXPORT_SYMBOL_GPL(exportfs_decode_fh);