From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Message-Id: <20090225150837.676516184@de.ibm.com> References: <20090225150622.529143164@de.ibm.com> Date: Wed, 25 Feb 2009 16:07:00 +0100 From: Martin Schwidefsky Subject: [patch/s390 38/46] qdio: call qdio_free also if qdio_shutdown fails Content-Disposition: inline; filename=137-qdio-free.diff Sender: linux-kernel-owner@vger.kernel.org List-Archive: List-Post: To: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org Cc: Heiko Carstens , Jan Glauber , Martin Schwidefsky List-ID: From: Jan Glauber qdio_cleanup is a wrapper function that should call qdio_shutdown and qdio_free. qdio_free was not called if an error occured in qdio_shutdown resulting in a missing free of allocated resources. Call qdio_free regardless of the return value of qdio_shutdown. Signed-off-by: Jan Glauber Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/qdio_main.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) Index: quilt-2.6/drivers/s390/cio/qdio_main.c =================================================================== --- quilt-2.6.orig/drivers/s390/cio/qdio_main.c +++ quilt-2.6/drivers/s390/cio/qdio_main.c @@ -1073,8 +1073,9 @@ EXPORT_SYMBOL_GPL(qdio_get_ssqd_desc); * @cdev: associated ccw device * @how: use halt or clear to shutdown * - * This function calls qdio_shutdown() for @cdev with method @how - * and on success qdio_free() for @cdev. + * This function calls qdio_shutdown() for @cdev with method @how. + * and qdio_free(). The qdio_free() return value is ignored since + * !irq_ptr is already checked. */ int qdio_cleanup(struct ccw_device *cdev, int how) { @@ -1085,8 +1086,8 @@ int qdio_cleanup(struct ccw_device *cdev return -ENODEV; rc = qdio_shutdown(cdev, how); - if (rc == 0) - rc = qdio_free(cdev); + + qdio_free(cdev); return rc; } EXPORT_SYMBOL_GPL(qdio_cleanup); -- blue skies, Martin. "Reality continues to ruin my life." - Calvin.