From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg Kroah-Hartman Subject: Re: [PATCH] ACPI: debug: Clean up acpi_aml_init() Date: Thu, 24 Jan 2019 20:35:47 +0100 Message-ID: <20190124193547.GA13425@kroah.com> References: <2715517.7WDaClUie6@aspire.rjw.lan> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <2715517.7WDaClUie6@aspire.rjw.lan> Sender: linux-kernel-owner@vger.kernel.org To: "Rafael J. Wysocki" Cc: Linux ACPI , LKML , Stephen Rothwell List-Id: linux-acpi@vger.kernel.org On Thu, Jan 24, 2019 at 11:25:59AM +0100, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki > > The err_exit label in acpi_aml_init() is not used any more after > commit 9ec6dbfbdc0a ("ACPI: no need to check return value of > debugfs_create functions"), but the other label in there is not > necessary too, so rearrange the code to get rid of them both. > > No intentional functional impact. > > Fixes: 9ec6dbfbdc0a ("ACPI: no need to check return value of debugfs_create functions") > Reported-by: Stephen Rothwell > Signed-off-by: Rafael J. Wysocki > --- > drivers/acpi/acpi_dbg.c | 15 +++++++-------- > 1 file changed, 7 insertions(+), 8 deletions(-) > > Index: linux-pm/drivers/acpi/acpi_dbg.c > =================================================================== > --- linux-pm.orig/drivers/acpi/acpi_dbg.c > +++ linux-pm/drivers/acpi/acpi_dbg.c > @@ -750,29 +750,28 @@ static const struct acpi_debugger_ops ac > > int __init acpi_aml_init(void) > { > - int ret = 0; > + int ret; > > /* Initialize AML IO interface */ > mutex_init(&acpi_aml_io.lock); > init_waitqueue_head(&acpi_aml_io.wait); > acpi_aml_io.out_crc.buf = acpi_aml_io.out_buf; > acpi_aml_io.in_crc.buf = acpi_aml_io.in_buf; > + > acpi_aml_dentry = debugfs_create_file("acpidbg", > S_IFREG | S_IRUGO | S_IWUSR, > acpi_debugfs_dir, NULL, > &acpi_aml_operations); > - ret = acpi_register_debugger(THIS_MODULE, &acpi_aml_debugger); > - if (ret) > - goto err_fs; > - acpi_aml_initialized = true; > > -err_fs: > + ret = acpi_register_debugger(THIS_MODULE, &acpi_aml_debugger); > if (ret) { > debugfs_remove(acpi_aml_dentry); > acpi_aml_dentry = NULL; > + return ret; > } > -err_exit: > - return ret; > + > + acpi_aml_initialized = true; > + return 0; > } > Odd that 0-day never reported this :( Sorry about it, and thanks for the patch: Reviewed-by: Greg Kroah-Hartman