linux-kernel - [PATCH 4/8] ima: remove unnecessary extra variable

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Date:	Wed, 03 Sep 2014 10:19:57 +0300
From:	Dmitry Kasatkin <d.kasatkin@...sung.com>
To:	zohar@...ux.vnet.ibm.com, linux-ima-devel@...ts.sourceforge.net,
	linux-security-module@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, dmitry.kasatkin@...il.com,
	Dmitry Kasatkin <d.kasatkin@...sung.com>
Subject: [PATCH 4/8] ima: remove unnecessary extra variable

'function' variable value can be changed instead of
allocating extra '_func' variable.

Signed-off-by: Dmitry Kasatkin <d.kasatkin@...sung.com>
---
 security/integrity/ima/ima_main.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c
index f7b85bf..aaf5552 100644
--- a/security/integrity/ima/ima_main.c
+++ b/security/integrity/ima/ima_main.c
@@ -164,7 +164,7 @@ static int process_measurement(struct file *file, const char *filename,
 	struct ima_template_desc *template_desc;
 	char *pathbuf = NULL;
 	const char *pathname = NULL;
-	int rc = -ENOMEM, action, must_appraise, _func;
+	int rc = -ENOMEM, action, must_appraise;
 	struct evm_ima_xattr_data *xattr_value = NULL, **xattr_ptr = NULL;
 	int xattr_len = 0;
 
@@ -182,7 +182,8 @@ static int process_measurement(struct file *file, const char *filename,
 	must_appraise = action & IMA_APPRAISE;
 
 	/*  Is the appraise rule hook specific?  */
-	_func = (action & IMA_FILE_APPRAISE) ? FILE_CHECK : function;
+	if (action & IMA_FILE_APPRAISE)
+		function = FILE_CHECK;
 
 	mutex_lock(&inode->i_mutex);
 
@@ -201,7 +202,7 @@ static int process_measurement(struct file *file, const char *filename,
 	/* Nothing to do, just return existing appraised status */
 	if (!action) {
 		if (must_appraise)
-			rc = ima_get_cache_status(iint, _func);
+			rc = ima_get_cache_status(iint, function);
 		goto out_digsig;
 	}
 
@@ -223,7 +224,7 @@ static int process_measurement(struct file *file, const char *filename,
 		ima_store_measurement(iint, file, pathname,
 				      xattr_value, xattr_len);
 	if (action & IMA_APPRAISE_SUBMASK)
-		rc = ima_appraise_measurement(_func, iint, file, pathname,
+		rc = ima_appraise_measurement(function, iint, file, pathname,
 					      xattr_value, xattr_len, opened);
 	if (action & IMA_AUDIT)
 		ima_audit_measurement(iint, pathname);
-- 
1.9.1

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