linux-kernel - [PATCH v6 07/10] audit: remove dirlen argument to audit_compare_dname

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Message-Id: <1347017027-17167-8-git-send-email-jlayton@redhat.com>
Date:	Fri,  7 Sep 2012 07:23:44 -0400
From:	Jeff Layton <jlayton@...hat.com>
To:	eparis@...hat.com, viro@...iv.linux.org.uk
Cc:	linux-audit@...hat.com, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, bfields@...ldses.org
Subject: [PATCH v6 07/10] audit: remove dirlen argument to audit_compare_dname_path

All the callers set this to NULL now.

Signed-off-by: Jeff Layton <jlayton@...hat.com>
---
 kernel/audit.h       | 3 +--
 kernel/audit_watch.c | 2 +-
 kernel/auditfilter.c | 6 +-----
 kernel/auditsc.c     | 4 ++--
 4 files changed, 5 insertions(+), 10 deletions(-)

diff --git a/kernel/audit.h b/kernel/audit.h
index 276ca88..ee31316 100644
--- a/kernel/audit.h
+++ b/kernel/audit.h
@@ -77,8 +77,7 @@ static inline int audit_hash_ino(u32 ino)
 extern int audit_match_class(int class, unsigned syscall);
 extern int audit_comparator(const u32 left, const u32 op, const u32 right);
 extern int parent_len(const char *path);
-extern int audit_compare_dname_path(const char *dname, const char *path,
-				    int *dirlen);
+extern int audit_compare_dname_path(const char *dname, const char *path);
 extern struct sk_buff *	    audit_make_reply(int pid, int seq, int type,
 					     int done, int multi,
 					     const void *payload, int size);
diff --git a/kernel/audit_watch.c b/kernel/audit_watch.c
index 3823281..b6a873a 100644
--- a/kernel/audit_watch.c
+++ b/kernel/audit_watch.c
@@ -265,7 +265,7 @@ static void audit_update_watch(struct audit_parent *parent,
 	/* Run all of the watches on this parent looking for the one that
 	 * matches the given dname */
 	list_for_each_entry_safe(owatch, nextw, &parent->watches, wlist) {
-		if (audit_compare_dname_path(dname, owatch->path, NULL))
+		if (audit_compare_dname_path(dname, owatch->path))
 			continue;
 
 		/* If the update involves invalidating rules, do the inode-based
diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c
index 29b167b..f9c48d0 100644
--- a/kernel/auditfilter.c
+++ b/kernel/auditfilter.c
@@ -1230,8 +1230,7 @@ int parent_len(const char *path)
 
 /* Compare given dentry name with last component in given path,
  * return of 0 indicates a match. */
-int audit_compare_dname_path(const char *dname, const char *path,
-			     int *dirlen)
+int audit_compare_dname_path(const char *dname, const char *path)
 {
 	int dlen, plen;
 	const char *p;
@@ -1260,9 +1259,6 @@ int audit_compare_dname_path(const char *dname, const char *path,
 			p++;
 	}
 
-	/* return length of path's directory component */
-	if (dirlen)
-		*dirlen = p - path;
 	return strncmp(p, dname, dlen);
 }
 
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 011e923..b03ef6a 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -2236,7 +2236,7 @@ void __audit_inode_child(const struct inode *parent,
 			continue;
 
 		if (n->ino == parent->i_ino &&
-		    !audit_compare_dname_path(dname, n->name, NULL)) {
+		    !audit_compare_dname_path(dname, n->name)) {
 			found_parent = n->name;
 			goto add_names;
 		}
@@ -2249,7 +2249,7 @@ void __audit_inode_child(const struct inode *parent,
 
 		/* strcmp() is the more likely scenario */
 		if (!strcmp(dname, n->name) ||
-		     !audit_compare_dname_path(dname, n->name, NULL)) {
+		     !audit_compare_dname_path(dname, n->name)) {
 			if (inode)
 				audit_copy_inode(n, dentry, inode);
 			else
-- 
1.7.11.4

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