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Commit d506dac0 authored by Josh Gao's avatar Josh Gao
Browse files

adbd: open functionfs ep0 as O_RDWR. 

We need to read from ep0 to poll for events.

Test: test_device.py
Change-Id: I59602c20f5dfdb17bfbab13d3033e9333a51caf3
parent 613cbb42

adb/daemon/usb_ffs.cpp

+1 −1
Original line number Original line Diff line number Diff line
@@ -230,7 +230,7 @@ bool open_functionfs(android::base::unique_fd* out_control, android::base::uniqu 




    if (out_control->get() < 0) {  // might have already done this before

    if (out_control->get() < 0) {  // might have already done this before

        LOG(INFO) << "opening control endpoint " << USB_FFS_ADB_EP0;

        LOG(INFO) << "opening control endpoint " << USB_FFS_ADB_EP0;

        control.reset(adb_open(USB_FFS_ADB_EP0, O_WRONLY));

        control.reset(adb_open(USB_FFS_ADB_EP0, O_RDWR));

        if (control < 0) {

        if (control < 0) {

            PLOG(ERROR) << "cannot open control endpoint " << USB_FFS_ADB_EP0;

            PLOG(ERROR) << "cannot open control endpoint " << USB_FFS_ADB_EP0;

            return false;

            return false;