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f29b13f830
https://bugzilla.redhat.com/show_bug.cgi?id=1357416 Rather than return a 0 or -1 and the *result string, return just the result string to the caller. Alter all the callers to handle the different return. As a side effect or result of this, it's much clearer that we cannot just assign the returned string into the scsi_host wwnn, wwpn, and fabric_wwn fields - rather we should fetch a temporary string, then as long as our fetch was good, VIR_FREE what may have been there, and STEAL what we just got. This fixes a memory leak in the virNodeDeviceCreateXML code path through find_new_device and nodeDeviceLookupSCSIHostByWWN which will continually call nodeDeviceSysfsGetSCSIHostCaps until the expected wwnn/wwpn is found in the device object capabilities. Signed-off-by: John Ferlan <jferlan@redhat.com>
179 lines
4.4 KiB
C
179 lines
4.4 KiB
C
/*
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* Copyright (C) 2013 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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*/
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#include <config.h>
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#include "virstring.h"
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#include "virutil.h"
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#include "testutils.h"
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#define VIR_FROM_THIS VIR_FROM_NONE
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static char *fchost_prefix;
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#define TEST_FC_HOST_PREFIX fchost_prefix
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#define TEST_FC_HOST_NUM 5
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/* Test virIsCapableFCHost */
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static int
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test1(const void *data ATTRIBUTE_UNUSED)
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{
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if (virIsCapableFCHost(TEST_FC_HOST_PREFIX,
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TEST_FC_HOST_NUM))
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return 0;
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return -1;
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}
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/* Test virIsCapableVport */
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static int
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test2(const void *data ATTRIBUTE_UNUSED)
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{
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if (virIsCapableVport(TEST_FC_HOST_PREFIX,
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TEST_FC_HOST_NUM))
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return 0;
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return -1;
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}
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/* Test virReadFCHost */
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static int
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test3(const void *data ATTRIBUTE_UNUSED)
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{
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const char *expect_wwnn = "2001001b32a9da4e";
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const char *expect_wwpn = "2101001b32a9da4e";
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const char *expect_fabric_wwn = "2001000dec9877c1";
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const char *expect_max_vports = "127";
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const char *expect_vports = "0";
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char *wwnn = NULL;
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char *wwpn = NULL;
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char *fabric_wwn = NULL;
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char *max_vports = NULL;
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char *vports = NULL;
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int ret = -1;
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if (!(wwnn = virReadFCHost(TEST_FC_HOST_PREFIX, TEST_FC_HOST_NUM,
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"node_name")))
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return -1;
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if (!(wwpn = virReadFCHost(TEST_FC_HOST_PREFIX, TEST_FC_HOST_NUM,
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"port_name")))
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goto cleanup;
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if (!(fabric_wwn = virReadFCHost(TEST_FC_HOST_PREFIX, TEST_FC_HOST_NUM,
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"fabric_name")))
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goto cleanup;
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if (!(max_vports = virReadFCHost(TEST_FC_HOST_PREFIX, TEST_FC_HOST_NUM,
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"max_npiv_vports")))
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goto cleanup;
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if (!(vports = virReadFCHost(TEST_FC_HOST_PREFIX, TEST_FC_HOST_NUM,
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"npiv_vports_inuse")))
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goto cleanup;
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if (STRNEQ(expect_wwnn, wwnn) ||
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STRNEQ(expect_wwpn, wwpn) ||
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STRNEQ(expect_fabric_wwn, fabric_wwn) ||
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STRNEQ(expect_max_vports, max_vports) ||
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STRNEQ(expect_vports, vports))
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goto cleanup;
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ret = 0;
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cleanup:
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VIR_FREE(wwnn);
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VIR_FREE(wwpn);
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VIR_FREE(fabric_wwn);
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VIR_FREE(max_vports);
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VIR_FREE(vports);
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return ret;
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}
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/* Test virGetFCHostNameByWWN */
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static int
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test4(const void *data ATTRIBUTE_UNUSED)
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{
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const char *expect_hostname = "host5";
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char *hostname = NULL;
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int ret = -1;
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if (!(hostname = virGetFCHostNameByWWN(TEST_FC_HOST_PREFIX,
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"2001001b32a9da4e",
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"2101001b32a9da4e")))
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return -1;
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if (STRNEQ(hostname, expect_hostname))
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goto cleanup;
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ret = 0;
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cleanup:
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VIR_FREE(hostname);
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return ret;
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}
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/* Test virFindFCHostCapableVport (host4 is not Online) */
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static int
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test5(const void *data ATTRIBUTE_UNUSED)
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{
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const char *expect_hostname = "host5";
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char *hostname = NULL;
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int ret = -1;
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if (!(hostname = virFindFCHostCapableVport(TEST_FC_HOST_PREFIX)))
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return -1;
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if (STRNEQ(hostname, expect_hostname))
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goto cleanup;
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ret = 0;
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cleanup:
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VIR_FREE(hostname);
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return ret;
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}
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static int
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mymain(void)
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{
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int ret = 0;
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if (virAsprintf(&fchost_prefix, "%s/%s", abs_srcdir,
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"fchostdata/fc_host/") < 0) {
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ret = -1;
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goto cleanup;
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}
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if (virTestRun("test1", test1, NULL) < 0)
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ret = -1;
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if (virTestRun("test2", test2, NULL) < 0)
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ret = -1;
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if (virTestRun("test3", test3, NULL) < 0)
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ret = -1;
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if (virTestRun("test4", test4, NULL) < 0)
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ret = -1;
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if (virTestRun("test5", test5, NULL) < 0)
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ret = -1;
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cleanup:
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VIR_FREE(fchost_prefix);
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return ret;
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}
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VIRT_TEST_MAIN(mymain)
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