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firewire: use in_compat_syscall to check ioctl compatness 

Firewire was using is_compat_task to check whether it was in a compat
ioctl or a non-compat ioctl.  Use is_compat_syscall instead so it works
properly on all architectures.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Andy Lutomirski 2016-03-22 14:25:13 -07:00 committed by Linus Torvalds
parent 2bf8c47626
commit a25045ff32
1 changed files with 2 additions and 2 deletions
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4
drivers/firewire/core-cdev.c
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@ -221,7 +221,7 @@ struct inbound_phy_packet_event {
#ifdef CONFIG_COMPAT
static void __user *u64_to_uptr(u64 value)
{
if (is_compat_task())
if (in_compat_syscall())
return compat_ptr(value);
else
return (void __user *)(unsigned long)value;
@ -229,7 +229,7 @@ static void __user *u64_to_uptr(u64 value)
static u64 uptr_to_u64(void __user *ptr)
{
if (is_compat_task())
if (in_compat_syscall())
return ptr_to_compat(ptr);
else
return (u64)(unsigned long)ptr;