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Commit 302019d9 authored by Raj Mojumder's avatar Raj Mojumder Committed by Android (Google) Code Review
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Merge "Add timeout to usb_device_get_string_ucs2 invocation to prevent... 

Merge "Add timeout to usb_device_get_string_ucs2 invocation to prevent potential unbounded stuck state."
parents 7bd671e1 a8c9d5dc

services/core/jni/com_android_server_UsbDescriptorParser.cpp

+4 −2
Original line number Diff line number Diff line
@@ -25,6 +25,7 @@ 
#include <usbhost/usbhost.h>



#define MAX_DESCRIPTORS_LENGTH 4096

static const int USB_CONTROL_TRANSFER_TIMEOUT_MS = 200;



// com.android.server.usb.descriptors

extern "C" {
@@ -85,7 +86,8 @@ jstring JNICALL Java_com_android_server_usb_descriptors_UsbDescriptorParser_getD 
    jbyte* byteBuffer = NULL;

    size_t numUSC2Bytes = 0;

    int retVal =

            usb_device_get_string_ucs2(device, stringId, 0 /*timeout*/,

            usb_device_get_string_ucs2(device, stringId,

                                       USB_CONTROL_TRANSFER_TIMEOUT_MS,

                                       (void**)&byteBuffer, &numUSC2Bytes);



    jstring j_str = NULL;