9p: split dropping the acls from v9fs_set_create_acl()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/9p/acl.c

@@ -167,23 +167,25 @@ int v9fs_acl_chmod(struct inode *inode, struct p9_fid *fid)
 }
 
 int v9fs_set_create_acl(struct dentry *dentry,
-			struct posix_acl **dpacl, struct posix_acl **pacl)
+			struct posix_acl *dacl, struct posix_acl *acl)
 {
-	if (dentry) {
-		struct p9_fid *fid = v9fs_fid_lookup(dentry);
-		set_cached_acl(dentry->d_inode, ACL_TYPE_DEFAULT, *dpacl);
-		set_cached_acl(dentry->d_inode, ACL_TYPE_ACCESS, *pacl);
-		if (!IS_ERR(fid)) {
-			v9fs_set_acl(fid, ACL_TYPE_DEFAULT, *dpacl);
-			v9fs_set_acl(fid, ACL_TYPE_ACCESS, *pacl);
-		}
+	struct p9_fid *fid = v9fs_fid_lookup(dentry);
+	set_cached_acl(dentry->d_inode, ACL_TYPE_DEFAULT, dacl);
+	set_cached_acl(dentry->d_inode, ACL_TYPE_ACCESS, acl);
+	if (!IS_ERR(fid)) {
+		v9fs_set_acl(fid, ACL_TYPE_DEFAULT, dacl);
+		v9fs_set_acl(fid, ACL_TYPE_ACCESS, acl);
 	}
-	posix_acl_release(*dpacl);
-	posix_acl_release(*pacl);
-	*dpacl = *pacl = NULL;
 	return 0;
 }
 
+void v9fs_put_acl(struct posix_acl *dacl,
+		  struct posix_acl *acl)
+{
+	posix_acl_release(dacl);
+	posix_acl_release(acl);
+}
+
 int v9fs_acl_mode(struct inode *dir, umode_t *modep,
 		  struct posix_acl **dpacl, struct posix_acl **pacl)
 {

fs/9p/acl.h

@@ -19,9 +19,10 @@ extern int v9fs_get_acl(struct inode *, struct p9_fid *);
 extern struct posix_acl *v9fs_iop_get_acl(struct inode *inode, int type);
 extern int v9fs_acl_chmod(struct inode *, struct p9_fid *);
 extern int v9fs_set_create_acl(struct dentry *,
-			       struct posix_acl **, struct posix_acl **);
+			       struct posix_acl *, struct posix_acl *);
 extern int v9fs_acl_mode(struct inode *dir, umode_t *modep,
 			 struct posix_acl **dpacl, struct posix_acl **pacl);
+extern void v9fs_put_acl(struct posix_acl *dacl, struct posix_acl *acl);
 #else
 #define v9fs_iop_get_acl NULL
 static inline int v9fs_get_acl(struct inode *inode, struct p9_fid *fid)
@@ -33,11 +34,15 @@ static inline int v9fs_acl_chmod(struct inode *inode, struct p9_fid *fid)
 	return 0;
 }
 static inline int v9fs_set_create_acl(struct dentry *dentry,
-				      struct posix_acl **dpacl,
-				      struct posix_acl **pacl)
+				      struct posix_acl *dacl,
+				      struct posix_acl *acl)
 {
 	return 0;
 }
+static inline void v9fs_put_acl(struct posix_acl *dacl,
+				struct posix_acl *acl)
+{
+}
 static inline int v9fs_acl_mode(struct inode *dir, umode_t *modep,
 				struct posix_acl **dpacl,
 				struct posix_acl **pacl)

fs/9p/vfs_inode_dotl.c

@@ -331,7 +331,7 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
 	d_instantiate(dentry, inode);
 
 	/* Now set the ACL based on the default value */
-	v9fs_set_create_acl(dentry, &dacl, &pacl);
+	v9fs_set_create_acl(dentry, dacl, pacl);
 
 	v9inode = V9FS_I(inode);
 	mutex_lock(&v9inode->v_mutex);
@@ -364,6 +364,7 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
 #endif
 	*opened |= FILE_CREATED;
 out:
+	v9fs_put_acl(dacl, pacl);
 	dput(res);
 	return err;
 
@@ -373,7 +374,6 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
 err_clunk_old_fid:
 	if (ofid)
 		p9_client_clunk(ofid);
-	v9fs_set_create_acl(NULL, &dacl, &pacl);
 	goto out;
 }
 
@@ -467,13 +467,13 @@ static int v9fs_vfs_mkdir_dotl(struct inode *dir,
 		d_instantiate(dentry, inode);
 	}
 	/* Now set the ACL based on the default value */
-	v9fs_set_create_acl(dentry, &dacl, &pacl);
+	v9fs_set_create_acl(dentry, dacl, pacl);
 	inc_nlink(dir);
 	v9fs_invalidate_inode_attr(dir);
 error:
 	if (fid)
 		p9_client_clunk(fid);
-	v9fs_set_create_acl(NULL, &dacl, &pacl);
+	v9fs_put_acl(dacl, pacl);
 	return err;
 }
 
@@ -912,11 +912,11 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, umode_t omode,
 		d_instantiate(dentry, inode);
 	}
 	/* Now set the ACL based on the default value */
-	v9fs_set_create_acl(dentry, &dacl, &pacl);
+	v9fs_set_create_acl(dentry, dacl, pacl);
 error:
 	if (fid)
 		p9_client_clunk(fid);
-	v9fs_set_create_acl(NULL, &dacl, &pacl);
+	v9fs_put_acl(dacl, pacl);
 	return err;
 }