Commit: e676253b19b2d269cccf67fdb1592120a0cd0676 [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...@intel.com>
Signed-off-by: Ricardo Ribalda Delgado <ricardo.riba...@gmail.com>
---
drivers/tty/serial/8250/8250_core.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/tty/serial/8250/8250_core.c
b/drivers/tty/serial/8250/8250_core.c
index 872c020..a0c1d64 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -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
--
2.1.0
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