linux-kernel - [PATCH 1/5] selinux: drop return statement at end of void functions

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Date:   Thu, 17 Feb 2022 15:21:29 +0100
From:   Christian Göttsche <cgzones@...glemail.com>
To:     selinux@...r.kernel.org
Cc:     Paul Moore <paul@...l-moore.com>,
        Stephen Smalley <stephen.smalley.work@...il.com>,
        Eric Paris <eparis@...isplace.org>,
        Nathan Chancellor <nathan@...nel.org>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Ondrej Mosnacek <omosnace@...hat.com>,
        Serge Hallyn <serge@...lyn.com>,
        Yang Li <yang.lee@...ux.alibaba.com>,
        Austin Kim <austin.kim@....com>,
        Lakshmi Ramasubramanian <nramas@...ux.microsoft.com>,
        linux-kernel@...r.kernel.org, llvm@...ts.linux.dev
Subject: [PATCH 1/5] selinux: drop return statement at end of void functions

Those return statements at the end of a void function are redundant.

Reported by clang-tidy [readability-redundant-control-flow]

Signed-off-by: Christian Göttsche <cgzones@...glemail.com>
---
 security/selinux/hooks.c          | 2 --
 security/selinux/ss/conditional.c | 2 --
 security/selinux/ss/ebitmap.c     | 1 -
 security/selinux/ss/mls.c         | 1 -
 security/selinux/ss/services.c    | 2 --
 5 files changed, 8 deletions(-)

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index dafabb4dcc64..1e69f88eb326 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -3284,8 +3284,6 @@ static void selinux_inode_post_setxattr(struct dentry *dentry, const char *name,
 	isec->sid = newsid;
 	isec->initialized = LABEL_INITIALIZED;
 	spin_unlock(&isec->lock);
-
-	return;
 }
 
 static int selinux_inode_getxattr(struct dentry *dentry, const char *name)
diff --git a/security/selinux/ss/conditional.c b/security/selinux/ss/conditional.c
index 2ec6e5cd25d9..c46c419af512 100644
--- a/security/selinux/ss/conditional.c
+++ b/security/selinux/ss/conditional.c
@@ -566,8 +566,6 @@ void cond_compute_xperms(struct avtab *ctab, struct avtab_key *key,
 		if (node->key.specified & AVTAB_ENABLED)
 			services_compute_xperms_decision(xpermd, node);
 	}
-	return;
-
 }
 /* Determine whether additional permissions are granted by the conditional
  * av table, and if so, add them to the result
diff --git a/security/selinux/ss/ebitmap.c b/security/selinux/ss/ebitmap.c
index 61fcbb8d0f88..abde349c8321 100644
--- a/security/selinux/ss/ebitmap.c
+++ b/security/selinux/ss/ebitmap.c
@@ -359,7 +359,6 @@ void ebitmap_destroy(struct ebitmap *e)
 
 	e->highbit = 0;
 	e->node = NULL;
-	return;
 }
 
 int ebitmap_read(struct ebitmap *e, void *fp)
diff --git a/security/selinux/ss/mls.c b/security/selinux/ss/mls.c
index 3f5fd124342c..99571b19d4a9 100644
--- a/security/selinux/ss/mls.c
+++ b/security/selinux/ss/mls.c
@@ -156,7 +156,6 @@ void mls_sid_to_context(struct policydb *p,
 	}
 
 	*scontext = scontextp;
-	return;
 }
 
 int mls_level_isvalid(struct policydb *p, struct mls_level *l)
diff --git a/security/selinux/ss/services.c b/security/selinux/ss/services.c
index 2f8db93e53b2..6901dc07680d 100644
--- a/security/selinux/ss/services.c
+++ b/security/selinux/ss/services.c
@@ -529,8 +529,6 @@ static void security_dump_masked_av(struct policydb *policydb,
 	/* release scontext/tcontext */
 	kfree(tcontext_name);
 	kfree(scontext_name);
-
-	return;
 }
 
 /*
-- 
2.35.1