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Bug 814761 - Part 1/2: fix ril worker exception due to buffer overwritten, r=yoshi

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This commit is contained in:
Vicamo Yang 2012-12-10 14:19:38 +08:00
parent 96737c37d8
commit 2b075bcba9
1 changed files with 10 additions and 2 deletions
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12
dom/system/gonk/ril_worker.js
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@ -478,8 +478,9 @@ let Buf = {
// we process any backlog in parcels immediately, before writing
// new data to the buffer. So the only edge case we need to handle
// is when the incoming data is larger than the buffer size.
if (incoming.length > this.INCOMING_BUFFER_LENGTH) {
this.growIncomingBuffer(incoming.length);
let minMustAvailableSize = incoming.length + this.readIncoming;
if (minMustAvailableSize > this.INCOMING_BUFFER_LENGTH) {
this.growIncomingBuffer(minMustAvailableSize);
}
// We can let the typed arrays do the copying if the incoming data won't
@ -588,6 +589,13 @@ let Buf = {
let error = this.readUint32();
options = this.tokenRequestMap[token];
if (!options) {
if (DEBUG) {
debug("Suspicious uninvited request found: " + token + ". Ignored!");
}
return;
}
delete this.tokenRequestMap[token];
request_type = options.rilRequestType;