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Message-Id: <5d7902ebc1eefb95f29ab3ba8ad9d8029b8024da.1434808718.git.geliangtang@163.com>
Date: Sat, 20 Jun 2015 22:38:59 +0800
From: Geliang Tang <geliangtang@....com>
To: Sudip Mukherjee <sudipm.mukherjee@...il.com>
Cc: Geliang Tang <geliangtang@....com>, abbotti@....co.uk,
hsweeten@...ionengravers.com, gregkh@...uxfoundation.org,
devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2] staging: comedi: fix cast warning in comedi_compat32.c
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@....com>
---
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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