diff options
| author | Alexander Shiyan <shc_work@mail.ru> | 2014-02-13 23:12:48 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-02-13 15:20:13 -0800 |
| commit | 86a41c46c7b5a1335b849f5e48d20184e4a905e1 (patch) | |
| tree | 6cd9060db86be14bed3a15323b3a551d48938d1a /drivers/tty/serial/max310x.c | |
| parent | 1456dad9bc9ca2e4a3a4b803a2b25b7fd84e2dae (diff) | |
serial: max310x: Fix build error
This is a temporary solution to fix following issue:
config: make ARCH=alpha allyesconfig
All error/warnings:
drivers/tty/serial/max310x.c: In function 'max310x_ioctl':
>> drivers/tty/serial/max310x.c:905:7: error: 'TIOCSRS485' undeclared (first use in this function)
drivers/tty/serial/max310x.c:905:7: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/tty/serial/max310x.c:906:3: error: implicit declaration of function 'copy_from_user' [-Werror=implicit-function-declaration]
>> drivers/tty/serial/max310x.c:929:7: error: 'TIOCGRS485' undeclared (first use in this function)
>> drivers/tty/serial/max310x.c:938:3: error: implicit declaration of function 'copy_to_user' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/max310x.c')
| -rw-r--r-- | drivers/tty/serial/max310x.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/tty/serial/max310x.c b/drivers/tty/serial/max310x.c index 8dec480a73df..5836168414e4 100644 --- a/drivers/tty/serial/max310x.c +++ b/drivers/tty/serial/max310x.c @@ -876,6 +876,7 @@ static void max310x_set_termios(struct uart_port *port, static int max310x_ioctl(struct uart_port *port, unsigned int cmd, unsigned long arg) { +#if defined(TIOCSRS485) && defined(TIOCGRS485) struct serial_rs485 rs485; unsigned int val; @@ -903,7 +904,7 @@ static int max310x_ioctl(struct uart_port *port, unsigned int cmd, max310x_port_update(port, MAX310X_MODE2_REG, MAX310X_MODE2_ECHOSUPR_BIT, 0); } - break; + return 0; case TIOCGRS485: memset(&rs485, 0, sizeof(rs485)); val = max310x_port_read(port, MAX310X_MODE1_REG); @@ -916,12 +917,13 @@ static int max310x_ioctl(struct uart_port *port, unsigned int cmd, if (copy_to_user((struct serial_rs485 *)arg, &rs485, sizeof(rs485))) return -EFAULT; - break; + return 0; default: - return -ENOIOCTLCMD; + break; } +#endif - return 0; + return -ENOIOCTLCMD; } static int max310x_startup(struct uart_port *port) |