linux-kernel - [PATCH -next] Smack: remove set but not used variable 'root

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Date:   Thu, 13 Sep 2018 21:18:11 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <jmorris@...ei.org>, <serge@...lyn.com>, <casey@...aufler-ca.com>
CC:     <linux-kernel@...r.kernel.org>,
        <linux-security-module@...r.kernel.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH -next] Smack: remove set but not used variable 'root_inode'

Fixes gcc '-Wunused-but-set-variable' warning:

security/smack/smackfs.c: In function 'smk_fill_super':
security/smack/smackfs.c:2856:16: warning:
 variable 'root_inode' set but not used [-Wunused-but-set-variable]

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 security/smack/smackfs.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c
index f4e91c5..8972da4 100644
--- a/security/smack/smackfs.c
+++ b/security/smack/smackfs.c
@@ -2855,7 +2855,6 @@ static int smk_fill_super(struct super_block *sb, void *data, size_t data_size,
 			  int silent)
 {
 	int rc;
-	struct inode *root_inode;
 
 	static const struct tree_descr smack_files[] = {
 		[SMK_LOAD] = {
@@ -2919,8 +2918,6 @@ static int smk_fill_super(struct super_block *sb, void *data, size_t data_size,
 		return rc;
 	}
 
-	root_inode = d_inode(sb->s_root);
-
 	return 0;
 }
 
-- 
2.7.0