f2fs: clean up acl flow for better readability

This patch cleans up a couple of acl codes.
Signed-off-by: NJaegeuk Kim <jaegeuk.kim@samsung.com>

fs/f2fs/acl.c

@@ -262,8 +262,8 @@ static int f2fs_set_acl(struct inode *inode, int type, struct posix_acl *acl)
 
 int f2fs_init_acl(struct inode *inode, struct inode *dir)
 {
-	struct posix_acl *acl = NULL;
 	struct f2fs_sb_info *sbi = F2FS_SB(dir->i_sb);
+	struct posix_acl *acl = NULL;
 	int error = 0;
 
 	if (!S_ISLNK(inode->i_mode)) {
@@ -276,19 +276,19 @@ int f2fs_init_acl(struct inode *inode, struct inode *dir)
 			inode->i_mode &= ~current_umask();
 	}
 
-	if (test_opt(sbi, POSIX_ACL) && acl) {
+	if (!test_opt(sbi, POSIX_ACL) || !acl)
+		goto cleanup;
 
-		if (S_ISDIR(inode->i_mode)) {
-			error = f2fs_set_acl(inode, ACL_TYPE_DEFAULT, acl);
-			if (error)
-				goto cleanup;
-		}
-		error = posix_acl_create(&acl, GFP_KERNEL, &inode->i_mode);
-		if (error < 0)
-			return error;
-		if (error > 0)
-			error = f2fs_set_acl(inode, ACL_TYPE_ACCESS, acl);
+	if (S_ISDIR(inode->i_mode)) {
+		error = f2fs_set_acl(inode, ACL_TYPE_DEFAULT, acl);
+		if (error)
+			goto cleanup;
 	}
+	error = posix_acl_create(&acl, GFP_KERNEL, &inode->i_mode);
+	if (error < 0)
+		return error;
+	if (error > 0)
+		error = f2fs_set_acl(inode, ACL_TYPE_ACCESS, acl);
 cleanup:
 	posix_acl_release(acl);
 	return error;
@@ -313,6 +313,7 @@ int f2fs_acl_chmod(struct inode *inode)
 	error = posix_acl_chmod(&acl, GFP_KERNEL, mode);
 	if (error)
 		return error;
+
 	error = f2fs_set_acl(inode, ACL_TYPE_ACCESS, acl);
 	posix_acl_release(acl);
 	return error;

fs/f2fs/acl.h

@@ -36,9 +36,9 @@ struct f2fs_acl_header {
 
 #ifdef CONFIG_F2FS_FS_POSIX_ACL
 
-extern struct posix_acl *f2fs_get_acl(struct inode *inode, int type);
-extern int f2fs_acl_chmod(struct inode *inode);
-extern int f2fs_init_acl(struct inode *inode, struct inode *dir);
+extern struct posix_acl *f2fs_get_acl(struct inode *, int);
+extern int f2fs_acl_chmod(struct inode *);
+extern int f2fs_init_acl(struct inode *, struct inode *);
 #else
 #define f2fs_check_acl	NULL
 #define f2fs_get_acl	NULL