From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754342AbbIJHVb (ORCPT ); Thu, 10 Sep 2015 03:21:31 -0400 Received: from mga11.intel.com ([192.55.52.93]:16313 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752868AbbIJHTZ (ORCPT ); Thu, 10 Sep 2015 03:19:25 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,502,1437462000"; d="scan'208";a="642040522" From: Tomas Winkler To: Greg Kroah-Hartman Cc: Alexander Usyskin , linux-kernel@vger.kernel.org, Prarit Bhargava , Tomas Winkler Subject: [char-misc-next 1/8 V2] mei: make modules.alias UUID information easier to read Date: Thu, 10 Sep 2015 10:17:59 +0300 Message-Id: <1441869486-2792-2-git-send-email-tomas.winkler@intel.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1441869486-2792-1-git-send-email-tomas.winkler@intel.com> References: <1441869486-2792-1-git-send-email-tomas.winkler@intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Prarit Bhargava scripts/mod/file2alias.c:add_uuid() convert UUID into a single string which does not conform to the standard little endian UUID formatting. This patch changes add_uuid() to output same format as %pUL and modifies the mei driver to match the change. Signed-off-by: Prarit Bhargava Signed-off-by: Tomas Winkler --- V2: rebase over the latest code drivers/misc/mei/bus.c | 7 ++----- include/linux/mod_devicetable.h | 4 ---- scripts/mod/file2alias.c | 8 +++++--- 3 files changed, 7 insertions(+), 12 deletions(-) diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index eef1c6b46ad8..e294f70741a0 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -597,9 +597,7 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *a, const uuid_le *uuid = mei_me_cl_uuid(cldev->me_cl); size_t len; - len = snprintf(buf, PAGE_SIZE, "mei:%s:" MEI_CL_UUID_FMT ":", - cldev->name, MEI_CL_UUID_ARGS(uuid->b)); - + len = snprintf(buf, PAGE_SIZE, "mei:%s:%pUl:", cldev->name, uuid); return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len; } static DEVICE_ATTR_RO(modalias); @@ -631,8 +629,7 @@ static int mei_cl_device_uevent(struct device *dev, struct kobj_uevent_env *env) if (add_uevent_var(env, "MEI_CL_NAME=%s", cldev->name)) return -ENOMEM; - if (add_uevent_var(env, "MODALIAS=mei:%s:" MEI_CL_UUID_FMT ":", - cldev->name, MEI_CL_UUID_ARGS(uuid->b))) + if (add_uevent_var(env, "MODALIAS=mei:%s:%pUl:", cldev->name, uuid)) return -ENOMEM; return 0; diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index 34f25b7bf642..becda6f6da5c 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -601,10 +601,6 @@ struct ipack_device_id { #define MEI_CL_MODULE_PREFIX "mei:" #define MEI_CL_NAME_SIZE 32 -#define MEI_CL_UUID_FMT "%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x" -#define MEI_CL_UUID_ARGS(_u) \ - _u[0], _u[1], _u[2], _u[3], _u[4], _u[5], _u[6], _u[7], \ - _u[8], _u[9], _u[10], _u[11], _u[12], _u[13], _u[14], _u[15] /** * struct mei_cl_device_id - MEI client device identifier diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c index 5f2088209132..fa79d113f34c 100644 --- a/scripts/mod/file2alias.c +++ b/scripts/mod/file2alias.c @@ -137,10 +137,12 @@ static inline void add_wildcard(char *str) static inline void add_uuid(char *str, uuid_le uuid) { int len = strlen(str); - int i; - for (i = 0; i < 16; i++) - sprintf(str + len + (i << 1), "%02x", uuid.b[i]); + sprintf(str + len, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x", + uuid.b[3], uuid.b[2], uuid.b[1], uuid.b[0], + uuid.b[5], uuid.b[4], uuid.b[7], uuid.b[6], + uuid.b[8], uuid.b[9], uuid.b[10], uuid.b[11], + uuid.b[12], uuid.b[13], uuid.b[14], uuid.b[15]); } /** -- 2.4.3