linux-kernel - [RFC PATCH 18/20] selinux: nlmsgtab: implicit conversion

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Message-Id: <20230706132337.15924-18-cgzones@googlemail.com>
Date:   Thu,  6 Jul 2023 15:23:33 +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: [RFC PATCH 18/20] selinux: nlmsgtab: implicit conversion

Use an unsigned type as loop iterator.

Signed-off-by: Christian Göttsche <cgzones@...glemail.com>
---
 security/selinux/nlmsgtab.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/security/selinux/nlmsgtab.c b/security/selinux/nlmsgtab.c
index 2ee7b4ed43ef..b36623d5cf11 100644
--- a/security/selinux/nlmsgtab.c
+++ b/security/selinux/nlmsgtab.c
@@ -153,9 +153,9 @@ static const struct nlmsg_perm nlmsg_audit_perms[] = {
 
 static int nlmsg_perm(u16 nlmsg_type, u32 *perm, const struct nlmsg_perm *tab, size_t tabsize)
 {
-	int i, err = -EINVAL;
+	int err = -EINVAL;
 
-	for (i = 0; i < tabsize/sizeof(struct nlmsg_perm); i++)
+	for (u32 i = 0; i < tabsize/sizeof(struct nlmsg_perm); i++)
 		if (nlmsg_type == tab[i].nlmsg_type) {
 			*perm = tab[i].perm;
 			err = 0;
-- 
2.40.1