From 41c34d188a598b016d62e152735f8466fe9910a4 Mon Sep 17 00:00:00 2001 From: Szabolcs Nagy Date: Sun, 26 May 2013 15:49:08 +0000 Subject: fix ioctl _IOR, _IOW, etc macros to avoid signed overflow (2<<30) --- arch/x86_64/bits/ioctl.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'arch/x86_64') diff --git a/arch/x86_64/bits/ioctl.h b/arch/x86_64/bits/ioctl.h index 7f3c0380..77a94551 100644 --- a/arch/x86_64/bits/ioctl.h +++ b/arch/x86_64/bits/ioctl.h @@ -4,9 +4,9 @@ #define _IOC_READ 2U #define _IO(a,b) _IOC(_IOC_NONE,(a),(b),0) -#define _IOW(a,b,c) _IOC(1,(a),(b),sizeof(c)) -#define _IOR(a,b,c) _IOC(2,(a),(b),sizeof(c)) -#define _IOWR(a,b,c) _IOC(3,(a),(b),sizeof(c)) +#define _IOW(a,b,c) _IOC(_IOC_WRITE,(a),(b),sizeof(c)) +#define _IOR(a,b,c) _IOC(_IOC_READ,(a),(b),sizeof(c)) +#define _IOWR(a,b,c) _IOC(_IOC_READ|_IOC_WRITE,(a),(b),sizeof(c)) #define TCGETS 0x5401 #define TCSETS 0x5402 -- cgit v1.2.3-70-g09d2