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Message-Id: <1604817942-3755-1-git-send-email-alex.shi@linux.alibaba.com>
Date:   Sun,  8 Nov 2020 14:45:42 +0800
From:   Alex Shi <alex.shi@...ux.alibaba.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Casey Schaufler <casey@...aufler-ca.com>,
        James Morris <jmorris@...ei.org>,
        "Serge E. Hallyn" <serge@...lyn.com>,
        linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] security/smack: remove unused varible 'rc'

This varible isn't used and can be removed to avoid a gcc warning:
security/smack/smack_lsm.c:3873:6: warning: variable ‘rc’ set but not
used [-Wunused-but-set-variable]

Signed-off-by: Alex Shi <alex.shi@...ux.alibaba.com>
Cc: Casey Schaufler <casey@...aufler-ca.com> 
Cc: James Morris <jmorris@...ei.org> 
Cc: "Serge E. Hallyn" <serge@...lyn.com> 
Cc: linux-security-module@...r.kernel.org 
Cc: linux-kernel@...r.kernel.org 
---
 security/smack/smack_lsm.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 5c90b9fa4d40..9994fcfafd70 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -3870,7 +3870,6 @@ static struct smack_known *smack_from_netlbl(struct sock *sk, u16 family,
 	struct netlbl_lsm_secattr secattr;
 	struct socket_smack *ssp = NULL;
 	struct smack_known *skp = NULL;
-	int rc;
 
 	netlbl_secattr_init(&secattr);
 
@@ -3880,7 +3879,7 @@ static struct smack_known *smack_from_netlbl(struct sock *sk, u16 family,
 	if (netlbl_skbuff_getattr(skb, family, &secattr) == 0) {
 		skp = smack_from_secattr(&secattr, ssp);
 		if (secattr.flags & NETLBL_SECATTR_CACHEABLE)
-			rc = netlbl_cache_add(skb, family, &skp->smk_netlabel);
+			netlbl_cache_add(skb, family, &skp->smk_netlabel);
 	}
 
 	netlbl_secattr_destroy(&secattr);
-- 
1.8.3.1

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