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OS-122 Assertion in e_devid_minor_to_devlist() in devid_cache.c


   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.

  23  */
  24 
  25 #include <sys/note.h>
  26 #include <sys/t_lock.h>
  27 #include <sys/cmn_err.h>
  28 #include <sys/instance.h>
  29 #include <sys/conf.h>
  30 #include <sys/stat.h>
  31 #include <sys/ddi.h>
  32 #include <sys/hwconf.h>
  33 #include <sys/sunddi.h>
  34 #include <sys/sunndi.h>
  35 #include <sys/sunmdi.h>
  36 #include <sys/ddi_impldefs.h>
  37 #include <sys/ndi_impldefs.h>
  38 #include <sys/kobj.h>
  39 #include <sys/devcache.h>
  40 #include <sys/devid_cache.h>
  41 #include <sys/sysmacros.h>
  42 


 718 /*
 719  * Build a list of dev_t's for a device/devid
 720  *
 721  * The effect of this function is cumulative, adding dev_t's
 722  * for the device to the list of all dev_t's for a given
 723  * devid.
 724  */
 725 static void
 726 e_devid_minor_to_devlist(
 727         dev_info_t      *dip,
 728         char            *minor_name,
 729         int             ndevts_alloced,
 730         int             *devtcntp,
 731         dev_t           *devtsp)
 732 {
 733         int                     circ;
 734         struct ddi_minor_data   *dmdp;
 735         int                     minor_all = 0;
 736         int                     ndevts = *devtcntp;
 737 
 738         ASSERT(i_ddi_devi_attached(dip));


 739 
 740         /* are we looking for a set of minor nodes? */
 741         if ((minor_name == DEVID_MINOR_NAME_ALL) ||
 742             (minor_name == DEVID_MINOR_NAME_ALL_CHR) ||
 743             (minor_name == DEVID_MINOR_NAME_ALL_BLK))
 744                 minor_all = 1;
 745 
 746         /* Find matching minor names */
 747         ndi_devi_enter(dip, &circ);
 748         for (dmdp = DEVI(dip)->devi_minor; dmdp; dmdp = dmdp->next) {
 749 
 750                 /* Skip non-minors, and non matching minor names */
 751                 if ((dmdp->type != DDM_MINOR) || ((minor_all == 0) &&
 752                     strcmp(dmdp->ddm_name, minor_name)))
 753                         continue;
 754 
 755                 /* filter out minor_all mismatches */
 756                 if (minor_all &&
 757                     (((minor_name == DEVID_MINOR_NAME_ALL_CHR) &&
 758                     (dmdp->ddm_spec_type != S_IFCHR)) ||




   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
  23  * Copyright 2014 Nexenta Systems, Inc. All rights reserved.
  24  */
  25 
  26 #include <sys/note.h>
  27 #include <sys/t_lock.h>
  28 #include <sys/cmn_err.h>
  29 #include <sys/instance.h>
  30 #include <sys/conf.h>
  31 #include <sys/stat.h>
  32 #include <sys/ddi.h>
  33 #include <sys/hwconf.h>
  34 #include <sys/sunddi.h>
  35 #include <sys/sunndi.h>
  36 #include <sys/sunmdi.h>
  37 #include <sys/ddi_impldefs.h>
  38 #include <sys/ndi_impldefs.h>
  39 #include <sys/kobj.h>
  40 #include <sys/devcache.h>
  41 #include <sys/devid_cache.h>
  42 #include <sys/sysmacros.h>
  43 


 719 /*
 720  * Build a list of dev_t's for a device/devid
 721  *
 722  * The effect of this function is cumulative, adding dev_t's
 723  * for the device to the list of all dev_t's for a given
 724  * devid.
 725  */
 726 static void
 727 e_devid_minor_to_devlist(
 728         dev_info_t      *dip,
 729         char            *minor_name,
 730         int             ndevts_alloced,
 731         int             *devtcntp,
 732         dev_t           *devtsp)
 733 {
 734         int                     circ;
 735         struct ddi_minor_data   *dmdp;
 736         int                     minor_all = 0;
 737         int                     ndevts = *devtcntp;
 738 
 739         if (!i_ddi_devi_attached(dip)) {
 740                 return;
 741         }
 742 
 743         /* are we looking for a set of minor nodes? */
 744         if ((minor_name == DEVID_MINOR_NAME_ALL) ||
 745             (minor_name == DEVID_MINOR_NAME_ALL_CHR) ||
 746             (minor_name == DEVID_MINOR_NAME_ALL_BLK))
 747                 minor_all = 1;
 748 
 749         /* Find matching minor names */
 750         ndi_devi_enter(dip, &circ);
 751         for (dmdp = DEVI(dip)->devi_minor; dmdp; dmdp = dmdp->next) {
 752 
 753                 /* Skip non-minors, and non matching minor names */
 754                 if ((dmdp->type != DDM_MINOR) || ((minor_all == 0) &&
 755                     strcmp(dmdp->ddm_name, minor_name)))
 756                         continue;
 757 
 758                 /* filter out minor_all mismatches */
 759                 if (minor_all &&
 760                     (((minor_name == DEVID_MINOR_NAME_ALL_CHR) &&
 761                     (dmdp->ddm_spec_type != S_IFCHR)) ||