linux-kernel - [PATCH 26/26] dns_resolver: avoid pointless cred reference count bump

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Message-ID: <20241124-work-cred-v1-26-f352241c3970@kernel.org>
Date: Sun, 24 Nov 2024 14:44:12 +0100
From: Christian Brauner <brauner@...nel.org>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Christian Brauner <brauner@...nel.org>,
	Amir Goldstein <amir73il@...il.com>,
	Miklos Szeredi <miklos@...redi.hu>,
	linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org
Subject: [PATCH 26/26] dns_resolver: avoid pointless cred reference count bump

No need for the extra reference count bump.

Signed-off-by: Christian Brauner <brauner@...nel.org>
---
 net/dns_resolver/dns_query.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/dns_resolver/dns_query.c b/net/dns_resolver/dns_query.c
index 0b0789fe2194151102d5234aca3fc2dae9a1ed69..82b084cc1cc6349bb532d5ada555b0bcbb1cdbea 100644
--- a/net/dns_resolver/dns_query.c
+++ b/net/dns_resolver/dns_query.c
@@ -124,9 +124,9 @@ int dns_query(struct net *net,
 	/* make the upcall, using special credentials to prevent the use of
 	 * add_key() to preinstall malicious redirections
 	 */
-	saved_cred = override_creds(get_new_cred(dns_resolver_cache));
+	saved_cred = override_creds(dns_resolver_cache);
 	rkey = request_key_net(&key_type_dns_resolver, desc, net, options);
-	put_cred(revert_creds(saved_cred));
+	revert_creds(saved_cred);
 	kfree(desc);
 	if (IS_ERR(rkey)) {
 		ret = PTR_ERR(rkey);

-- 
2.45.2