From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932557AbbFEKK5 (ORCPT ); Fri, 5 Jun 2015 06:10:57 -0400 Received: from mailout4.samsung.com ([203.254.224.34]:42029 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932311AbbFEKK3 (ORCPT ); Fri, 5 Jun 2015 06:10:29 -0400 X-AuditID: cbfee691-f79ca6d00000456a-01-557175915ce3 From: Namjae Jeon To: "'Greg Kroah-Hartman'" Cc: "'Kay Sievers'" , linux-kernel@vger.kernel.org Subject: [PATCH 3/3] driver: core: add security labels to misc class devnode Date: Fri, 05 Jun 2015 19:10:24 +0900 Message-id: <00ed01d09f77$d6f1f490$84d5ddb0$@samsung.com> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7bit X-Mailer: Microsoft Outlook 14.0 Thread-index: AdCfd1VXf9Die4PaTPugnfVySOaHNQ== Content-language: ko X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFuplkeLIzCtJLcpLzFFi42JZI2JSojuxtDDUYMo1LovmxevZLG6tes5u cXnXHDYHZo/9c9ewe3zeJOfxcb1nAHMUl01Kak5mWWqRvl0CV0bf8/PsBZ1cFVtaYxoYV3N0 MXJySAiYSLx5M4UZwhaTuHBvPVsXIxeHkMBSRol17Q3MMEWT1r9ghEgsYpR41/iDBcJ5zyjx cmMvUAsHB5uAtsSfLaIgDSICphIb309hBAkzC9hJ/PgQCxIWFvCROD+xgRHEZhFQlWicfIsd pIRXwFLi9OEokDCvgKDEj8n3WEBsZgEtifU7jzNB2PISm9e8hTpHQWLH2deMEJv0JE4u2sMO USMise/FO7AzJQQWsUs8OryZFWKXgMS3yYdYQHZJCMhKbDoANUdS4uCKGywTGMVmIVk9C8nq WUhWz0KyYgEjyypG0dSC5ILipPQiU73ixNzi0rx0veT83E2MwFg6/e/ZxB2M9w9YH2IU4GBU 4uFtMCwMFWJNLCuuzD3EaAp00URmKdHkfGDE5pXEGxqbGVmYmpgaG5lbmimJ8+pI/wwWEkhP LEnNTk0tSC2KLyrNSS0+xMjEwSnVwGildKZB78hZ/jkfFp+K+n1cMp/7j8NnNqalWzizp7e3 OIorfJZxeL8xgVdry89JXCE9C1pc/gRsV9Yw1KpQnSslc5pbPjblMM/9OvNPL0TOLFjZtnrD yXtmhToJXIt0/mdud/TzOz5lQr1Gicb1xppH96+9L+FS2pGnE+yS5FT2ZEtO0rWMfUosxRmJ hlrMRcWJALt0YqOgAgAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrOIsWRmVeSWpSXmKPExsVy+t9jAd2JpYWhBi3PmS2aF69ns7i16jm7 xeVdc9gcmD32z13D7vF5k5zHx/WeAcxRDYw2GamJKalFCql5yfkpmXnptkrewfHO8aZmBoa6 hpYW5koKeYm5qbZKLj4Bum6ZOUCLlBTKEnNKgUIBicXFSvp2mCaEhrjpWsA0Ruj6hgTB9RgZ oIGENYwZfc/Psxd0clVsaY1pYFzN0cXIySEhYCIxaf0LRghbTOLCvfVsXYxcHEICixgl3jX+ YIFw3jNKvNzYC5Th4GAT0Jb4s0UUpEFEwFRi4/spjCBhZgE7iR8fYkHCwgI+EucnNoDNZBFQ lWicfIsdpIRXwFLi9OEokDCvgKDEj8n3WEBsZgEtifU7jzNB2PISm9e8ZYY4R0Fix9nXjBCb 9CROLtrDDlEjIrHvxTvGCYwCs5CMmoVk1Cwko2YhaVnAyLKKUTS1ILmgOCk910ivODG3uDQv XS85P3cTIzhSn0nvYFzVYHGIUYCDUYmHt8GwMFSINbGsuDL3EKMEB7OSCO/VPKAQb0piZVVq UX58UWlOavEhRlOgRycyS4km5wOTSF5JvKGxiZmRpZG5oYWRsbmSOO/JfJ9QIYH0xJLU7NTU gtQimD4mDk6pBsYakwehh29enCDe6Da39mpc9/xFD6WdL16XYZT26HnYrOUaNuFNvUm05fIs 6XMnkk96yvFfPSEb1nNFwPbf+y15QpwnllVyrs+TvXAx7zvr+a85vguXpWZ1HZmS9y3z6n7p /pT9R57Imq9dqv6mSuX+lEsdlWscxWuz7Rx3xohtej5D8JeWmKISS3FGoqEWc1FxIgB4fCGX 6gIAAA== DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add support for setting security labels on devtmpfs nodes created by misc class drivers using misc_register. Signed-off-by: Namjae Jeon Signed-off-by: Vivek Trivedi --- drivers/char/misc.c | 5 +++++ include/linux/miscdevice.h | 2 ++ 2 files changed, 7 insertions(+) diff --git a/drivers/char/misc.c b/drivers/char/misc.c index 63fb739..42fc006 100644 --- a/drivers/char/misc.c +++ b/drivers/char/misc.c @@ -274,6 +274,11 @@ static char *misc_devnode(struct device *dev, umode_t *mode, if (mode && c->mode) *mode = c->mode; + if (xattr && xattr->value && c->xattr_value) { + xattr->name = c->xattr_name; + strcpy(xattr->value, c->xattr_value); + xattr->value_len = strlen(xattr->value); + } if (c->nodename) return kstrdup(c->nodename, GFP_KERNEL); return NULL; diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h index 819077c..bcc3d8e 100644 --- a/include/linux/miscdevice.h +++ b/include/linux/miscdevice.h @@ -64,6 +64,8 @@ struct miscdevice { const struct attribute_group **groups; const char *nodename; umode_t mode; + const char *xattr_name; + const char *xattr_value; }; extern int misc_register(struct miscdevice *misc); -- 1.8.5.5