[PATCH v2] staging: comedi: fix cast warning in comedi_compat32.c

[Geliang Tang]

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);
-- 
2.3.4


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