d_path: Use struct path in struct avc_audit_data

audit_log_d_path() is a d_path() wrapper that is used by the audit code.  To
use a struct path in audit_log_d_path() I need to embed it into struct
avc_audit_data.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Jan Blunck <jblunck@suse.de>
Acked-by: Christoph Hellwig <hch@infradead.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Cc: Neil Brown <neilb@suse.de>
Cc: Stephen Smalley <sds@tycho.nsa.gov>
Cc: James Morris <jmorris@namei.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 12 insertions, 16 deletions

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index ffeefa3c2c77..75c2e99bfb81 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -1356,8 +1356,8 @@ static inline int dentry_has_perm(struct task_struct *tsk,
 	struct inode *inode = dentry->d_inode;
 	struct avc_audit_data ad;
 	AVC_AUDIT_DATA_INIT(&ad,FS);
-	ad.u.fs.mnt = mnt;
-	ad.u.fs.dentry = dentry;
+	ad.u.fs.path.mnt = mnt;
+	ad.u.fs.path.dentry = dentry;
 	return inode_has_perm(tsk, inode, av, &ad);
 }
 
@@ -1375,15 +1375,12 @@ static int file_has_perm(struct task_struct *tsk,
 {
 	struct task_security_struct *tsec = tsk->security;
 	struct file_security_struct *fsec = file->f_security;
-	struct vfsmount *mnt = file->f_path.mnt;
-	struct dentry *dentry = file->f_path.dentry;
-	struct inode *inode = dentry->d_inode;
+	struct inode *inode = file->f_path.dentry->d_inode;
 	struct avc_audit_data ad;
 	int rc;
 
 	AVC_AUDIT_DATA_INIT(&ad, FS);
-	ad.u.fs.mnt = mnt;
-	ad.u.fs.dentry = dentry;
+	ad.u.fs.path = file->f_path;
 
 	if (tsec->sid != fsec->sid) {
 		rc = avc_has_perm(tsec->sid, fsec->sid,
@@ -1418,7 +1415,7 @@ static int may_create(struct inode *dir,
 	sbsec = dir->i_sb->s_security;
 
 	AVC_AUDIT_DATA_INIT(&ad, FS);
-	ad.u.fs.dentry = dentry;
+	ad.u.fs.path.dentry = dentry;
 
 	rc = avc_has_perm(tsec->sid, dsec->sid, SECCLASS_DIR,
 			  DIR__ADD_NAME | DIR__SEARCH,
@@ -1476,7 +1473,7 @@ static int may_link(struct inode *dir,
 	isec = dentry->d_inode->i_security;
 
 	AVC_AUDIT_DATA_INIT(&ad, FS);
-	ad.u.fs.dentry = dentry;
+	ad.u.fs.path.dentry = dentry;
 
 	av = DIR__SEARCH;
 	av |= (kind ? DIR__REMOVE_NAME : DIR__ADD_NAME);
@@ -1523,7 +1520,7 @@ static inline int may_rename(struct inode *old_dir,
 
 	AVC_AUDIT_DATA_INIT(&ad, FS);
 
-	ad.u.fs.dentry = old_dentry;
+	ad.u.fs.path.dentry = old_dentry;
 	rc = avc_has_perm(tsec->sid, old_dsec->sid, SECCLASS_DIR,
 			  DIR__REMOVE_NAME | DIR__SEARCH, &ad);
 	if (rc)
@@ -1539,7 +1536,7 @@ static inline int may_rename(struct inode *old_dir,
 			return rc;
 	}
 
-	ad.u.fs.dentry = new_dentry;
+	ad.u.fs.path.dentry = new_dentry;
 	av = DIR__ADD_NAME | DIR__SEARCH;
 	if (new_dentry->d_inode)
 		av |= DIR__REMOVE_NAME;
@@ -1918,8 +1915,7 @@ static int selinux_bprm_set_security(struct linux_binprm *bprm)
 	}
 
 	AVC_AUDIT_DATA_INIT(&ad, FS);
-	ad.u.fs.mnt = bprm->file->f_path.mnt;
-	ad.u.fs.dentry = bprm->file->f_path.dentry;
+	ad.u.fs.path = bprm->file->f_path;
 
 	if (bprm->file->f_path.mnt->mnt_flags & MNT_NOSUID)
 		newsid = tsec->sid;
@@ -2315,7 +2311,7 @@ static int selinux_sb_kern_mount(struct super_block *sb, void *data)
 		return rc;
 
 	AVC_AUDIT_DATA_INIT(&ad,FS);
-	ad.u.fs.dentry = sb->s_root;
+	ad.u.fs.path.dentry = sb->s_root;
 	return superblock_has_perm(current, sb, FILESYSTEM__MOUNT, &ad);
 }
 
@@ -2324,7 +2320,7 @@ static int selinux_sb_statfs(struct dentry *dentry)
 	struct avc_audit_data ad;
 
 	AVC_AUDIT_DATA_INIT(&ad,FS);
-	ad.u.fs.dentry = dentry->d_sb->s_root;
+	ad.u.fs.path.dentry = dentry->d_sb->s_root;
 	return superblock_has_perm(current, dentry->d_sb, FILESYSTEM__GETATTR, &ad);
 }
 
@@ -2587,7 +2583,7 @@ static int selinux_inode_setxattr(struct dentry *dentry, char *name, void *value
 		return -EPERM;
 
 	AVC_AUDIT_DATA_INIT(&ad,FS);
-	ad.u.fs.dentry = dentry;
+	ad.u.fs.path.dentry = dentry;
 
 	rc = avc_has_perm(tsec->sid, isec->sid, isec->sclass,
 			  FILE__RELABELFROM, &ad);