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am aeac647a: am 98e67d35: Don\'t corrupt parcel when writeFileDescriptor() fails

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* commit 'aeac647a003c48cc8570b6c87513f0e45ea7f30e':
  Don't corrupt parcel when writeFileDescriptor() fails
This commit is contained in:
Christopher Tate 2015-06-08 21:46:01 +00:00 committed by Android Git Automerger
commit 2ba1c4d6f3
1 changed files with 9 additions and 8 deletions
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17
libs/binder/Parcel.cpp
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@ -1013,6 +1013,15 @@ status_t Parcel::writeObject(const flat_binder_object& val, bool nullMetaData)
restart_write:
*reinterpret_cast<flat_binder_object*>(mData+mDataPos) = val;
// remember if it's a file descriptor
if (val.type == BINDER_TYPE_FD) {
if (!mAllowFds) {
// fail before modifying our object index
return FDS_NOT_ALLOWED;
}
mHasFds = mFdsKnown = true;
}
// Need to write meta-data?
if (nullMetaData || val.binder != 0) {
mObjects[mObjectsSize] = mDataPos;
@ -1020,14 +1029,6 @@ restart_write:
mObjectsSize++;
}
// remember if it's a file descriptor
if (val.type == BINDER_TYPE_FD) {
if (!mAllowFds) {
return FDS_NOT_ALLOWED;
}
mHasFds = mFdsKnown = true;
}
return finishWrite(sizeof(flat_binder_object));
}