On 20/06/15 15:38, Geliang Tang wrote:
This patch fixes the following sparse warning: drivers/staging/comedi/comedi_compat32.c:205:16: warning: cast removes address space of expression Signed-off-by: Geliang Tang <geliangtang@xxxxxxx> --- Changes in v2: - compat_ptr() is substituted by 'unsigned long'. --- drivers/staging/comedi/comedi_compat32.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/comedi/comedi_compat32.c b/drivers/staging/comedi/comedi_compat32.c index 2584824..894a50c 100644 --- a/drivers/staging/comedi/comedi_compat32.c +++ b/drivers/staging/comedi/comedi_compat32.c @@ -202,7 +202,7 @@ static int get_compat_cmd(struct comedi_cmd __user *cmd, err |= __get_user(temp.uint, &cmd32->stop_arg); err |= __put_user(temp.uint, &cmd->stop_arg); err |= __get_user(temp.uptr, &cmd32->chanlist); - err |= __put_user(compat_ptr(temp.uptr), &cmd->chanlist); + err |= __put_user((unsigned long)(temp.uptr), &cmd->chanlist); err |= __get_user(temp.uint, &cmd32->chanlist_len); err |= __put_user(temp.uint, &cmd->chanlist_len); err |= __get_user(temp.uptr, &cmd32->data);
Now it removes the call to compat_ptr(), so it won't work. Your first patch was better, apart from exceeding the 80 character line limit.
-- -=( Ian Abbott @ MEV Ltd. E-mail: <abbotti@xxxxxxxxx> )=- -=( Web: http://www.mev.co.uk/ )=- _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
