On Thu, Dec 19, 2013 at 3:56 PM, John Stultz <john.stu...@linaro.org> wrote: > Prior to subitting this, Colin reworked the compat_ioctl support > for the ion_test driver, moving the structure to be the same size > on both 32 and 64 bit architectures. > > Two small things were left out. The compat_ioctl ptr assignment, > and the fact that despite having uniform sized types in the > structure, the structure pads out to different sizes on different > arches. > > This patch resolves this issue by adding a padding entry after > the write flag, and adding the compat_ioctl ptr. > > Changes in v2: > - Add a padding int rather then making write a u64 > > Cc: Colin Cross <ccr...@android.com> > Cc: Greg KH <gre...@linuxfoundation.org> > Cc: Android Kernel Team <kernel-t...@android.com> > Signed-off-by: John Stultz <john.stu...@linaro.org> > --- > drivers/staging/android/ion/ion_test.c | 1 + > drivers/staging/android/uapi/ion_test.h | 1 + > 2 files changed, 2 insertions(+) > > diff --git a/drivers/staging/android/ion/ion_test.c > b/drivers/staging/android/ion/ion_test.c > index 3e20349..654acb5 100644 > --- a/drivers/staging/android/ion/ion_test.c > +++ b/drivers/staging/android/ion/ion_test.c > @@ -231,6 +231,7 @@ static int ion_test_release(struct inode *inode, struct > file *file) > static const struct file_operations ion_test_fops = { > .owner = THIS_MODULE, > .unlocked_ioctl = ion_test_ioctl, > + .compat_ioctl = ion_test_ioctl, > .open = ion_test_open, > .release = ion_test_release, > }; > diff --git a/drivers/staging/android/uapi/ion_test.h > b/drivers/staging/android/uapi/ion_test.h > index 614d1e3..ffef06f 100644 > --- a/drivers/staging/android/uapi/ion_test.h > +++ b/drivers/staging/android/uapi/ion_test.h > @@ -32,6 +32,7 @@ struct ion_test_rw_data { > __u64 offset; > __u64 size; > int write; > + int __padding; > }; > > #define ION_IOC_MAGIC 'I' > -- > 1.8.3.2 > > To unsubscribe from this group and stop receiving emails from it, send an > email to kernel-team+unsubscr...@android.com.
Acked-by: Colin Cross <ccr...@android.com> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/