sparse warnings: (new ones prefixed by >>)
>> drivers/tty/serial/max310x.c:906:45: sparse: incorrect type in argument 2 (different address spaces)
drivers/tty/serial/max310x.c:906:45: expected void const [noderef] <asn:1>*from
drivers/tty/serial/max310x.c:906:45: got struct serial_rs485 *<noident>
>> drivers/tty/serial/max310x.c:938:35: sparse: incorrect type in argument 1 (different address spaces)
drivers/tty/serial/max310x.c:938:35: expected void [noderef] <asn:1>*to
drivers/tty/serial/max310x.c:938:35: got struct serial_rs485 *<noident>
Reported-by: kbuild test robot <fengguang.wu@xxxxxxxxx>
Signed-off-by: Alexander Shiyan <shc_work@xxxxxxx>
---
drivers/tty/serial/max310x.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c
index 5836168..471dbc1 100644
--- a/drivers/tty/serial/max310x.c
+++ b/drivers/tty/serial/max310x.c
@@ -882,8 +882,7 @@ static int max310x_ioctl(struct uart_port *port, unsigned int cmd,
switch (cmd) {
case TIOCSRS485:
- if (copy_from_user(&rs485, (struct serial_rs485 *)arg,
- sizeof(rs485)))
+ if (copy_from_user(&rs485, (void __user *)arg, sizeof(rs485)))
return -EFAULT;
if (rs485.delay_rts_before_send > 0x0f ||
rs485.delay_rts_after_send > 0x0f)
@@ -914,8 +913,7 @@ static int max310x_ioctl(struct uart_port *port, unsigned int cmd,
val = max310x_port_read(port, MAX310X_HDPIXDELAY_REG);
rs485.delay_rts_before_send = val >> 4;
rs485.delay_rts_after_send = val & 0x0f;
- if (copy_to_user((struct serial_rs485 *)arg, &rs485,
- sizeof(rs485)))
+ if (copy_to_user((void __user *)arg, &rs485, sizeof(rs485)))
return -EFAULT;
return 0;
default:
--
1.8.3.2
--
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