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[PATCH] x86-64: Define IGNORE_IOCTL() macro for compat_ioctls

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Define a new IGNORE_IOCTL() to let a compat ioctl not be warned about even when
it is not implemented.

This is the same as COMPATIBLE_IOCTL internally, but better self documentng.

Valid reasons to use this:
- It is implemented with ->compat_ioctl on some device, but programs
  call it on others too.
- The ioctl is not implemented in the native kernel, but programs
  call it commonly anyways.
Most other reasons are not valid.

Signed-off-by: Andi Kleen <ak@suse.de>
This commit is contained in:
Andi Kleen 2007-05-02 19:27:20 +02:00 committed by Andi Kleen
parent 05cb007dac
commit 421f028100
1 changed files with 8 additions and 0 deletions
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8
fs/compat_ioctl.c
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@ -2396,6 +2396,14 @@ lp_timeout_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
#define ULONG_IOCTL(cmd) \
{ (cmd), (ioctl_trans_handler_t)sys_ioctl },
/* ioctl should not be warned about even if it's not implemented.
Valid reasons to use this:
- It is implemented with ->compat_ioctl on some device, but programs
call it on others too.
- The ioctl is not implemented in the native kernel, but programs
call it commonly anyways.
Most other reasons are not valid. */
#define IGNORE_IOCTL(cmd) COMPATIBLE_IOCTL(cmd)
struct ioctl_trans ioctl_start[] = {
#include <linux/compat_ioctl.h>