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Commit 1ba4e981 authored by Jeff Vander Stoep's avatar Jeff Vander Stoep
Browse files

libion: open /dev/ion read-only 

/dev/ion driver does not recognize the write operation [1] so open it
read-only.

[1] http://lxr.free-electrons.com/source/drivers/staging/android/ion/ion.c?v=4.5#L1369

Test: Angler builds and boots
Bug: 32120194
Change-Id: I9b26d43ea32cb24426404668701df1f1648d336c
parent 27d2d49f

libion/ion.c

+1 −1
Original line number Diff line number Diff line
@@ -34,7 +34,7 @@ 


int ion_open()

{

    int fd = open("/dev/ion", O_RDWR);

    int fd = open("/dev/ion", O_RDONLY);

    if (fd < 0)

        ALOGE("open /dev/ion failed!\n");

    return fd;

libion/tests/device_test.cpp

+1 −1
Original line number Diff line number Diff line
@@ -46,7 +46,7 @@ class Device : public IonAllHeapsTest { 
void Device::SetUp()

{

    IonAllHeapsTest::SetUp();

    m_deviceFd = open("/dev/ion-test", O_RDWR);

    m_deviceFd = open("/dev/ion-test", O_RDONLY);

    ASSERT_GE(m_deviceFd, 0);

}