device-mapper-multipath/0166-RHBZ-1323429-dont-allow-new-wwid.patch

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device-mapper-multipath-0.4.9-83 Modify 0135-RHBZ-1299600-path-dev-uevents.patch * trigger uevents when adding wwids for existing devices during startup Refresh 0136-RHBZ-1304687-wait-for-map-add.patch Refresh 0150-RHBZ-1253913-fix-startup-msg.patch Modify 0159-UPBZ-1255885-udev-waits.patch * fix bug in failure path Add 0160-RH-udev-flags.patch Add 0161-RHBZ-1311659-no-kpartx.patch * skip_kpartx option disables kpartx running on multipath devices Add 0162-RHBZ-1333331-huawei-config.patch * Add default config for Huawei XSG1 array Add 0163-UPBZ-1333492-resize-map.patch * restore old size if resize fails Add 0164-RHBZ-1311463-dos-part-rollover.patch * fix incorrect partition size due to 4k device size rollover Add 0165-UPBZ-1341748-MSA-2040-conf.patch * Add default config for MSA 2040 array Add 0166-RHBZ-1323429-dont-allow-new-wwid.patch * don't allow path wwid to change while it is in use Add 0167-RHBZ-1335176-fix-show-cmds.patch * and new show multipath format wildcard, 'f' to sho number of failures. This will hopefully be useful for tracking what happens to multipath devices for bz #1335176 Add 0168-RHBZ-1347769-shared-lock.patch * make multipath lock the path devices with a shared lock Add 0169-UPBZ-1353357-json-output.patch * add mulitpathd json output command Add 0170-UPBZ-1352925-fix-typo.patch Add 0171-UPBZ-1356651-allow-zero-size.patch * Allow zero-sized paths to be added to a multipath device Add 0172-RHBZ-1350931-no-active-add.patch * Allow paths to be added to a new map if no active paths exist. Also fixes 1351430
2016-07-22 20:20:02 +00:00
---
libmultipath/dmparser.c | 9 +++++++++
1 file changed, 9 insertions(+)
Index: multipath-tools-130222/libmultipath/dmparser.c
===================================================================
--- multipath-tools-130222.orig/libmultipath/dmparser.c
+++ multipath-tools-130222/libmultipath/dmparser.c
@@ -360,6 +360,15 @@ disassemble_map (vector pathvec, char *
else if (!strlen(pp->wwid))
strncpy(pp->wwid, mpp->wwid, WWID_SIZE);
+ /*
+ * Something went wrong. Likely the user changed the
+ * path uid_attribute after creating a device
+ */
+ else if (strcmp(pp->wwid, mpp->wwid) != 0) {
+ condlog(0, "%s: path wwid appears to have changed. Using old wwid.\n", pp->dev_t);
+ strncpy(pp->wwid, mpp->wwid, WWID_SIZE);
+ }
+
pgp->id ^= (long)pp;
pp->pgindex = i + 1;