From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753559AbbC0IbT (ORCPT ); Fri, 27 Mar 2015 04:31:19 -0400 Received: from mail-pa0-f44.google.com ([209.85.220.44]:36565 "EHLO mail-pa0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753346AbbC0IbP (ORCPT ); Fri, 27 Mar 2015 04:31:15 -0400 From: Sudip Mukherjee To: Benjamin Romer , David Kershner , Greg Kroah-Hartman Cc: sparmaintainer@unisys.com, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org, Sudip Mukherjee Subject: [PATCH 1/3] staging: unisys: unregister chardev on error Date: Fri, 27 Mar 2015 14:00:57 +0530 Message-Id: <1427445059-9534-1-git-send-email-sudipm.mukherjee@gmail.com> X-Mailer: git-send-email 1.8.1.2 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org after registering the major numbers if the cdev_add fails then we were not releasing the major numbers. now we are doing that. Signed-off-by: Sudip Mukherjee --- drivers/staging/unisys/visorchipset/file.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/staging/unisys/visorchipset/file.c b/drivers/staging/unisys/visorchipset/file.c index 39b19af..074c285 100644 --- a/drivers/staging/unisys/visorchipset/file.c +++ b/drivers/staging/unisys/visorchipset/file.c @@ -65,8 +65,10 @@ visorchipset_file_init(dev_t major_dev, struct visorchannel **controlvm_channel) return -1; } rc = cdev_add(&file_cdev, MKDEV(MAJOR(major_dev), 0), 1); - if (rc < 0) + if (rc < 0) { + unregister_chrdev_region(major_dev, 1); return -1; + } return 0; } -- 1.8.1.2