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authorhayeswang <hayeswang@realtek.com>2013-07-12 16:26:16 +0800
committerDavid S. Miller <davem@davemloft.net>2013-07-12 16:13:34 -0700
commite76385240ee5c812267319c9084e5a0d62bfbf90 (patch)
tree30aa19dc4336799d3cb60a5ac6adcd4f3b34675b
parent3ff25e3c4531aff5b1a96e2ea6e1a2d355263019 (diff)
downloadlinux-e76385240ee5c812267319c9084e5a0d62bfbf90.tar.gz
usb/net/r815x: fix cast to restricted __le32
>> drivers/net/usb/r815x.c:38:16: sparse: cast to restricted __le32 >> drivers/net/usb/r815x.c:67:15: sparse: cast to restricted __le32 >> drivers/net/usb/r815x.c:69:13: sparse: incorrect type in assignment (different base types) drivers/net/usb/r815x.c:69:13: expected unsigned int [unsigned] [addressable] [assigned] [usertype] tmp drivers/net/usb/r815x.c:69:13: got restricted __le32 [usertype] <noident> Signed-off-by: Hayes Wang <hayeswang@realtek.com> Spotted-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/usb/r815x.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/net/usb/r815x.c b/drivers/net/usb/r815x.c
index 65167377ff0..85239226971 100644
--- a/drivers/net/usb/r815x.c
+++ b/drivers/net/usb/r815x.c
@@ -26,16 +26,18 @@ static int pla_read_word(struct usb_device *udev, u16 index)
{
int data, ret;
u8 shift = index & 2;
+ __le32 ocp_data;
index &= ~3;
ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
RTL815x_REQ_GET_REGS, RTL815x_REQT_READ,
- index, MCU_TYPE_PLA, &data, sizeof(data), 500);
+ index, MCU_TYPE_PLA, &ocp_data, sizeof(ocp_data),
+ 500);
if (ret < 0)
return ret;
- data = __le32_to_cpu(data);
+ data = __le32_to_cpu(ocp_data);
data >>= (shift * 8);
data &= 0xffff;
@@ -44,7 +46,8 @@ static int pla_read_word(struct usb_device *udev, u16 index)
static int pla_write_word(struct usb_device *udev, u16 index, u32 data)
{
- u32 tmp, mask = 0xffff;
+ __le32 ocp_data;
+ u32 mask = 0xffff;
u16 byen = BYTE_EN_WORD;
u8 shift = index & 2;
int ret;
@@ -60,18 +63,18 @@ static int pla_write_word(struct usb_device *udev, u16 index, u32 data)
ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
RTL815x_REQ_GET_REGS, RTL815x_REQT_READ,
- index, MCU_TYPE_PLA, &tmp, sizeof(tmp), 500);
+ index, MCU_TYPE_PLA, &ocp_data, sizeof(ocp_data),
+ 500);
if (ret < 0)
return ret;
- tmp = __le32_to_cpu(tmp) & ~mask;
- tmp |= data;
- tmp = __cpu_to_le32(tmp);
+ data |= __le32_to_cpu(ocp_data) & ~mask;
+ ocp_data = __cpu_to_le32(data);
ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
RTL815x_REQ_SET_REGS, RTL815x_REQT_WRITE,
- index, MCU_TYPE_PLA | byen, &tmp,
- sizeof(tmp), 500);
+ index, MCU_TYPE_PLA | byen, &ocp_data,
+ sizeof(ocp_data), 500);
return ret;
}