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lvmcache: copy just 32bytes

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Copy only bytes which fits.

vginfo->vgid  is  [ID_LEN + 1]
vgsummary->vgid has only [ID_LEN]

Reported by Coverity.
This commit is contained in:
Zdenek Kabelac 2015-05-07 11:28:22 +02:00
parent 87578b5d94
commit bf5cb4af8e
2 changed files with 3 additions and 1 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.120 -
===============================
Fix storing of vgid when caching metadata (2.02.118).
Fix recursive lvm-config man page. (2.02.119)
Refactor polldaemon interfaces to poll every operation by VG/LV couple
Skip wait after testing in _wait_for_single_lv when polling finished

3
lib/cache/lvmcache.c vendored
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@ -2233,7 +2233,8 @@ int lvmcache_lookup_mda(struct lvmcache_vgsummary *vgsummary)
vgsummary->vgname = vginfo->vgname;
vgsummary->creation_host = vginfo->creation_host;
vgsummary->vgstatus = vginfo->status;
memcpy((char *)&vgsummary->vgid, vginfo->vgid, sizeof(vginfo->vgid));
/* vginfo->vgid has 1 extra byte then vgsummary->vgid */
memcpy(&vgsummary->vgid, vginfo->vgid, sizeof(vgsummary->vgid));
return 1;
}