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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@linux.alibaba.com>
Cc: Casey Schaufler <casey@schaufler-ca.com>
Cc: James Morris <jmorris@namei.org>
Cc: "Serge E. Hallyn" <serge@hallyn.com>
Cc: linux-security-module@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
This commit is contained in:
Alex Shi 2020-11-08 14:45:42 +08:00 committed by Casey Schaufler
parent 7da31b858e
commit 9b0072e2b2
1 changed files with 1 additions and 2 deletions
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3
security/smack/smack_lsm.c
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@ -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);