patch-2.4.23 linux-2.4.23/include/asm-sparc64/ioctl.h

• Lines: 11
• Date: 2003-11-28 10:26:21.000000000 -0800
• Orig file: linux-2.4.22/include/asm-sparc64/ioctl.h
• Orig date: 2003-06-13 07:51:38.000000000 -0700

diff -urN linux-2.4.22/include/asm-sparc64/ioctl.h linux-2.4.23/include/asm-sparc64/ioctl.h
@@ -54,7 +54,9 @@
                             (((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK) )
 #define _IOC_TYPE(nr)       (((nr) >> _IOC_TYPESHIFT) & _IOC_TYPEMASK)
 #define _IOC_NR(nr)         (((nr) >> _IOC_NRSHIFT) & _IOC_NRMASK)
-#define _IOC_SIZE(nr)       (((nr) >> _IOC_SIZESHIFT) & _IOC_XSIZEMASK)
+#define _IOC_SIZE(nr)   \
+ ((((((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK) & (_IOC_WRITE|_IOC_READ)) == 0)?    \
+                         0: (((nr) >> _IOC_SIZESHIFT) & _IOC_XSIZEMASK))
 
 /* ...and for the PCMCIA and sound. */
 #define IOC_IN          (_IOC_WRITE << _IOC_DIRSHIFT)