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fix ioctl _IOR, _IOW, etc macros to avoid signed overflow (2<<30)

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Szabolcs Nagy 2013-05-26 15:49:08 +00:00
commit 41c34d188a
6 changed files with 19 additions and 38 deletions
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6
arch/arm/bits/ioctl.h
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@ -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