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serial/8250_core: Add reference to uacess.h

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Commit: e676253b19 [3/21] serial/8250: Add
support for RS485 IOCTLs, adds a building error on arch m32r.

All error/warnings:

   drivers/tty/serial/8250/8250_core.c: In function 'serial8250_ioctl':
>> drivers/tty/serial/8250/8250_core.c:2859:3: error: implicit declaration of function 'copy_from_user' [-Werror=implicit-function-declaration]
      if (copy_from_user(&rs485_config, (void __user *)arg,
      ^
>> drivers/tty/serial/8250/8250_core.c:2871:3: error: implicit declaration of function 'copy_to_user' [-Werror=implicit-function-declaration]
      if (copy_to_user((void __user *)arg, &up->rs485,
      ^
   cc1: some warnings being treated as errors

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ricardo Ribalda Delgado 2014-09-09 07:17:45 +02:00 committed by Greg Kroah-Hartman
parent b99b121b2a
commit 0b4af1d949
1 changed files with 1 additions and 0 deletions
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1
drivers/tty/serial/8250/8250_core.c
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@ -37,6 +37,7 @@
#include <linux/nmi.h>
#include <linux/mutex.h>
#include <linux/slab.h>
#include <linux/uaccess.h>
#ifdef CONFIG_SPARC
#include <linux/sunserialcore.h>
#endif