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Add internal error to guard vgname2 NULL dereference

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This commit is contained in:
Zdenek Kabelac 2012-02-13 14:26:15 +00:00
parent 99e2a2e156
commit 382a1a6bea
1 changed files with 6 additions and 2 deletions
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8
lib/cache/lvmcache.c vendored
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@ -321,13 +321,17 @@ int lvmcache_verify_lock_order(const char *vgname)
if (!dm_hash_get_data(_lock_hash, n))
return_0;
vgname2 = dm_hash_get_key(_lock_hash, n);
if (!(vgname2 = dm_hash_get_key(_lock_hash, n))) {
log_error(INTERNAL_ERROR "VG lock %s hits NULL.",
vgname);
return 0;
}
if (!_vgname_order_correct(vgname2, vgname)) {
log_errno(EDEADLK, INTERNAL_ERROR "VG lock %s must "
"be requested before %s, not after.",
vgname, vgname2);
return_0;
return 0;
}
}