linux-kernel - [PATCH] selinux: avoid bool as identifier name

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Message-Id: <20230602133511.30239-1-cgzones@googlemail.com>
Date:   Fri,  2 Jun 2023 15:35:10 +0200
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>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] selinux: avoid bool as identifier name

Avoid using the identifier `bool` to improve support with future C
standards.  C23 is about to make `bool` a predefined macro (see N2654).

Signed-off-by: Christian Göttsche <cgzones@...glemail.com>
---
 security/selinux/ss/conditional.c | 8 ++++----
 security/selinux/ss/conditional.h | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/security/selinux/ss/conditional.c b/security/selinux/ss/conditional.c
index e11219fdf9f7..b156c181c3c1 100644
--- a/security/selinux/ss/conditional.c
+++ b/security/selinux/ss/conditional.c
@@ -38,7 +38,7 @@ static int cond_evaluate_expr(struct policydb *p, struct cond_expr *expr)
 			if (sp == (COND_EXPR_MAXDEPTH - 1))
 				return -1;
 			sp++;
-			s[sp] = p->bool_val_to_struct[node->bool - 1]->state;
+			s[sp] = p->bool_val_to_struct[node->boolean - 1]->state;
 			break;
 		case COND_NOT:
 			if (sp < 0)
@@ -366,7 +366,7 @@ static int expr_node_isvalid(struct policydb *p, struct cond_expr_node *expr)
 		return 0;
 	}
 
-	if (expr->bool > p->p_bools.nprim) {
+	if (expr->boolean > p->p_bools.nprim) {
 		pr_err("SELinux: conditional expressions uses unknown bool.\n");
 		return 0;
 	}
@@ -401,7 +401,7 @@ static int cond_read_node(struct policydb *p, struct cond_node *node, void *fp)
 			return rc;
 
 		expr->expr_type = le32_to_cpu(buf[0]);
-		expr->bool = le32_to_cpu(buf[1]);
+		expr->boolean = le32_to_cpu(buf[1]);
 
 		if (!expr_node_isvalid(p, expr))
 			return -EINVAL;
@@ -518,7 +518,7 @@ static int cond_write_node(struct policydb *p, struct cond_node *node,
 
 	for (i = 0; i < node->expr.len; i++) {
 		buf[0] = cpu_to_le32(node->expr.nodes[i].expr_type);
-		buf[1] = cpu_to_le32(node->expr.nodes[i].bool);
+		buf[1] = cpu_to_le32(node->expr.nodes[i].boolean);
 		rc = put_entry(buf, sizeof(u32), 2, fp);
 		if (rc)
 			return rc;
diff --git a/security/selinux/ss/conditional.h b/security/selinux/ss/conditional.h
index e47ec6ddeaf6..5a7b51278dc6 100644
--- a/security/selinux/ss/conditional.h
+++ b/security/selinux/ss/conditional.h
@@ -29,7 +29,7 @@ struct cond_expr_node {
 #define COND_NEQ	7 /* bool != bool */
 #define COND_LAST	COND_NEQ
 	u32 expr_type;
-	u32 bool;
+	u32 boolean;
 };
 
 struct cond_expr {
-- 
2.40.1