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Bug 535990: Null check at PL_DHashTableOperate to avoid crashing r=bsmedberg

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This commit is contained in:
Mike Hommey 2010-02-20 08:55:34 -05:00
parent 2bf8037b2b
commit 48a4c6bcf7
1 changed files with 1 additions and 1 deletions
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2
modules/libpref/src/prefapi.cpp
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@ -790,7 +790,7 @@ PRBool
PREF_PrefIsLocked(const char *pref_name) PREF_PrefIsLocked(const char *pref_name)
{ {
PRBool result = PR_FALSE; PRBool result = PR_FALSE;
if (gIsAnyPrefLocked) { if (gIsAnyPrefLocked && gHashTable.ops) {
PrefHashEntry* pref = pref_HashTableLookup(pref_name); PrefHashEntry* pref = pref_HashTableLookup(pref_name);
if (pref && PREF_IS_LOCKED(pref)) if (pref && PREF_IS_LOCKED(pref))
result = PR_TRUE; result = PR_TRUE;