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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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8
arch/mips/bits/ioctl.h
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@ -3,10 +3,10 @@
#define _IOC_READ 2U
#define _IOC_WRITE 4U
#define _IO(a,b) _IOC(1U,(a),(b),0)
#define _IOW(a,b,c) _IOC(4U,(a),(b),sizeof(c))
#define _IOR(a,b,c) _IOC(2U,(a),(b),sizeof(c))
#define _IOWR(a,b,c) _IOC(6U,(a),(b),sizeof(c))
#define _IO(a,b) _IOC(_IOC_NONE,(a),(b),0)
#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 TCGETA 0x5401
#define TCSETA 0x5402