diff options
| author | Jarod Wilson <jarod@redhat.com> | 2010-10-08 17:24:21 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-10-21 01:18:34 -0200 |
| commit | be1f985ffa49467f604318182616678b3e5184fd (patch) | |
| tree | 3445d817db48005ed442fd03009ac6ff68e84514 /drivers/media/IR/ir-lirc-codec.c | |
| parent | d322bf4ab2b513d03bd53b4436dbf6f2a36a7a76 (diff) | |
[media] IR/lirc: further ioctl portability fixups
>From Joris van Rantwijk <jorispubl@xs4all.nl>:
I tested lirc_serial and found that it works fine.
Except the LIRC ioctls do not work in my 64-bit-kernel/32-bit-user
setup. I added compat_ioctl entries in the drivers to fix this.
While doing so, I noticed inconsistencies in the argument type of
the LIRC ioctls. All ioctls are declared in lirc.h as having argument
type __u32, however there are a few places where the driver calls
get_user/put_user with an unsigned long argument.
The patch below changes lirc_dev and lirc_serial to use __u32 for all
ioctl arguments, and adds compat_ioctl entries.
It should probably also be done in the other low-level drivers,
but I don't have hardware to test those.
I've dropped the .compat_ioctl addition from Joris' original patch,
as I swear the non-compat definition should now work for both 32-bit
and 64-bit userspace. Technically, I think we still need/want a
in getting a reply to you).
Reported-by: Joris van Rantwijk <jorispubl@xs4all.nl>
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/IR/ir-lirc-codec.c')
| -rw-r--r-- | drivers/media/IR/ir-lirc-codec.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/media/IR/ir-lirc-codec.c b/drivers/media/IR/ir-lirc-codec.c index e63f757d5d7..c6d5b3eb132 100644 --- a/drivers/media/IR/ir-lirc-codec.c +++ b/drivers/media/IR/ir-lirc-codec.c @@ -102,7 +102,7 @@ static long ir_lirc_ioctl(struct file *filep, unsigned int cmd, struct ir_input_dev *ir_dev; int ret = 0; void *drv_data; - unsigned long val = 0; + __u32 val = 0; lirc = lirc_get_pdata(filep); if (!lirc) @@ -115,7 +115,7 @@ static long ir_lirc_ioctl(struct file *filep, unsigned int cmd, drv_data = ir_dev->props->priv; if (_IOC_DIR(cmd) & _IOC_WRITE) { - ret = get_user(val, (unsigned long *)arg); + ret = get_user(val, (__u32 *)arg); if (ret) return ret; } @@ -135,14 +135,14 @@ static long ir_lirc_ioctl(struct file *filep, unsigned int cmd, /* TX settings */ case LIRC_SET_TRANSMITTER_MASK: if (ir_dev->props->s_tx_mask) - ret = ir_dev->props->s_tx_mask(drv_data, (u32)val); + ret = ir_dev->props->s_tx_mask(drv_data, val); else return -EINVAL; break; case LIRC_SET_SEND_CARRIER: if (ir_dev->props->s_tx_carrier) - ir_dev->props->s_tx_carrier(drv_data, (u32)val); + ir_dev->props->s_tx_carrier(drv_data, val); else return -EINVAL; break; @@ -212,7 +212,7 @@ static long ir_lirc_ioctl(struct file *filep, unsigned int cmd, } if (_IOC_DIR(cmd) & _IOC_READ) - ret = put_user(val, (unsigned long *)arg); + ret = put_user(val, (__u32 *)arg); return ret; } |