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Bug 1212457 - crash at ARIARowAccessible::GroupPosition(), r=marcoz

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This commit is contained in:
Alexander Surkov 2015-10-08 08:02:52 -04:00
parent be2fcd5567
commit ef66dec6ad
1 changed files with 3 additions and 2 deletions
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5
accessible/generic/ARIAGridAccessible.cpp
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@ -547,8 +547,9 @@ GroupPos
ARIARowAccessible::GroupPosition()
{
int32_t count = 0, index = 0;
if (nsCoreUtils::GetUIntAttr(nsAccUtils::TableFor(this)->GetContent(),
nsGkAtoms::aria_rowcount, &count) &&
Accessible* table = nsAccUtils::TableFor(this);
if (table && nsCoreUtils::GetUIntAttr(table->GetContent(),
nsGkAtoms::aria_rowcount, &count) &&
nsCoreUtils::GetUIntAttr(mContent, nsGkAtoms::aria_rowindex, &index)) {
return GroupPos(0, index, count);
}