linux-kernel - [PATCH] NFS: simplify check for freeing cn

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Message-Id: <20220116144301.399581-1-trix@redhat.com>
Date:   Sun, 16 Jan 2022 06:43:01 -0800
From:   trix@...hat.com
To:     trond.myklebust@...merspace.com, anna.schumaker@...app.com
Cc:     linux-nfs@...r.kernel.org, linux-kernel@...r.kernel.org,
        Tom Rix <trix@...hat.com>
Subject: [PATCH] NFS: simplify check for freeing cn_resp

From: Tom Rix <trix@...hat.com>

nfs42_files_from_same_server() is called to check if freeing
cn_resp is required.  Instead of calling a function, check
the pointer.

Signed-off-by: Tom Rix <trix@...hat.com>
---
 fs/nfs/nfs4file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c
index e79ae4cbc395e..677631ea4cfb3 100644
--- a/fs/nfs/nfs4file.c
+++ b/fs/nfs/nfs4file.c
@@ -180,7 +180,7 @@ static ssize_t __nfs4_copy_file_range(struct file *file_in, loff_t pos_in,
 	ret = nfs42_proc_copy(file_in, pos_in, file_out, pos_out, count,
 				nss, cnrs, sync);
 out:
-	if (!nfs42_files_from_same_server(file_in, file_out))
+	if (cn_resp)
 		kfree(cn_resp);
 	if (ret == -EAGAIN)
 		goto retry;
-- 
2.26.3