linux-kernel - [PATCH] cred: fold get_new_cred_many() into get_cred

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Message-ID: <20241126-zaunpfahl-wovon-c3979b990a63@brauner>
Date: Tue, 26 Nov 2024 14:22:16 +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>,
	Al Viro <viro@...iv.linux.org.uk>,
	Jens Axboe <axboe@...nel.dk>,
	linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org
Subject: [PATCH] cred: fold get_new_cred_many() into get_cred_many()

There's no need for this to be a separate helper.

Signed-off-by: Christian Brauner <brauner@...nel.org>
---
Putting this on top of kernel.cred. 
---
 include/linux/cred.h | 17 ++---------------
 1 file changed, 2 insertions(+), 15 deletions(-)

diff --git a/include/linux/cred.h b/include/linux/cred.h
index 360f5fd3854b..0c3c4b16b469 100644
--- a/include/linux/cred.h
+++ b/include/linux/cred.h
@@ -186,20 +186,6 @@ static inline const struct cred *revert_creds(const struct cred *revert_cred)
 	return override_cred;
 }
 
-/**
- * get_new_cred_many - Get references on a new set of credentials
- * @cred: The new credentials to reference
- * @nr: Number of references to acquire
- *
- * Get references on the specified set of new credentials.  The caller must
- * release all acquired references.
- */
-static inline struct cred *get_new_cred_many(struct cred *cred, int nr)
-{
-	atomic_long_add(nr, &cred->usage);
-	return cred;
-}
-
 /**
  * get_cred_many - Get references on a set of credentials
  * @cred: The credentials to reference
@@ -220,7 +206,8 @@ static inline const struct cred *get_cred_many(const struct cred *cred, int nr)
 	if (!cred)
 		return cred;
 	nonconst_cred->non_rcu = 0;
-	return get_new_cred_many(nonconst_cred, nr);
+	atomic_long_add(nr, &nonconst_cred->usage);
+	return cred;
 }
 
 /*
-- 
2.45.2