Could you please merge this? This has been accepted but not in mainline master.
Thanks, Zhe On 3/4/20 2:48 PM, He Zhe wrote: > From: He Zhe <zhe...@windriver.com> > > 32-bit user-space program would get errors like the following from ioctl > syscall due to missing compat_ioctl. > MCE_GET_RECORD_LEN: Inappropriate ioctl for device > > compat_ptr_ioctl is provided as a generic implementation of .compat_ioctl > file operation to ioctl functions that either ignore the argument or pass > a pointer to a compatible data type. > > https://lore.kernel.org/lkml/1583303947-49858-1-git-send-email-zhe...@windriver.com/ > > Signed-off-by: He Zhe <zhe...@windriver.com> > --- > arch/x86/kernel/cpu/mce/dev-mcelog.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/arch/x86/kernel/cpu/mce/dev-mcelog.c > b/arch/x86/kernel/cpu/mce/dev-mcelog.c > index 7c8958d..6c9b91b7 100644 > --- a/arch/x86/kernel/cpu/mce/dev-mcelog.c > +++ b/arch/x86/kernel/cpu/mce/dev-mcelog.c > @@ -328,6 +328,7 @@ static const struct file_operations mce_chrdev_ops = { > .write = mce_chrdev_write, > .poll = mce_chrdev_poll, > .unlocked_ioctl = mce_chrdev_ioctl, > + .compat_ioctl = compat_ptr_ioctl, > .llseek = no_llseek, > }; > > >
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