From: J. Bruce Fields <bfields@citi.umich.edu>
Date: Wed, 3 Mar 2010 21:13:29 +0000 (-0500)
Subject: nfsd4: fix minor memory leak
X-Git-Tag: firefly_0821_release~9833^2~1530^2~50
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8d75da8afd068fa58b35e69c7c8c46770d9e7a98;p=firefly-linux-kernel-4.4.55.git

nfsd4: fix minor memory leak

There's no need to allocate this cred more than once.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
---

diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 8fa412ce8021..4bc22c763de7 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -525,6 +525,8 @@ static struct rpc_cred *callback_cred;
 
 int set_callback_cred(void)
 {
+	if (callback_cred)
+		return 0;
 	callback_cred = rpc_lookup_machine_cred();
 	if (!callback_cred)
 		return -ENOMEM;