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| author | Michael Weghorn <m.weghorn@posteo.de> | 2020-06-03 14:07:39 +0200 |
|---|---|---|
| committer | Michael Weghorn <m.weghorn@posteo.de> | 2020-06-03 17:24:05 +0200 |
| commit | f5f9cac0c5f04246718c438b4673b36e803fda29 (patch) | |
| tree | fb18b2272a60ca88f0a219efe5d4a4951e7be4f4 /winaccessibility | |
| parent | c9faea128e46a5284948343f4f2cfc6f9e9174b8 (diff) | |
tdf#133633 winaccessibility: Add null check
The call to 'AccObjectManagerAgent::GetIAccessibleFromResID'
may set 'pImAcc' to nullptr here (s.
'AccObjectWinManager::GetIAccessibleFromResID', which is called
from there), so handle that case gracefully.
Change-Id: I0dbd48974fd012ff086835b147cd9b9cfc8a052b
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/95430
Tested-by: Jenkins
Reviewed-by: Michael Weghorn <m.weghorn@posteo.de>
Diffstat (limited to 'winaccessibility')
| -rw-r--r-- | winaccessibility/source/UAccCOM/MAccessible.cxx | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/winaccessibility/source/UAccCOM/MAccessible.cxx b/winaccessibility/source/UAccCOM/MAccessible.cxx index c691f604faac..413999b35fab 100644 --- a/winaccessibility/source/UAccCOM/MAccessible.cxx +++ b/winaccessibility/source/UAccCOM/MAccessible.cxx @@ -790,6 +790,10 @@ COM_DECLSPEC_NOTHROW STDMETHODIMP CMAccessible::get_accFocus(VARIANT *pvarChild) { IMAccessible* pIMAcc = nullptr; g_pAgent->GetIAccessibleFromResID(m_dFocusChildID,&pIMAcc); + if (pIMAcc == nullptr) + { + return E_FAIL; + } pIMAcc->AddRef(); pvarChild->vt = VT_DISPATCH; pvarChild->pdispVal = pIMAcc; |