[PATCH] create struct compat_timex and use it everywhere

We had a copy of the compatibility version of struct timex in each 64 bit
architecture.  This patch just creates a global one and replaces all the
usages of the old ones.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Arnd Bergmann <arnd@arndb.de>
Acked-by: Kyle McMartin <kyle@parisc-linux.org>
Acked-by: Tony Luck <tony.luck@intel.com>
Acked-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 4 insertions, 33 deletions

diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c
index 61356901841..ca1d8dbbadf 100644
--- a/arch/parisc/kernel/sys_parisc32.c
+++ b/arch/parisc/kernel/sys_parisc32.c
@@ -567,43 +567,14 @@ asmlinkage int sys32_sendfile64(int out_fd, int in_fd, compat_loff_t __user *off
 }
 
 
-struct timex32 {
-	unsigned int modes;	/* mode selector */
-	int offset;		/* time offset (usec) */
-	int freq;		/* frequency offset (scaled ppm) */
-	int maxerror;		/* maximum error (usec) */
-	int esterror;		/* estimated error (usec) */
-	int status;		/* clock command/status */
-	int constant;		/* pll time constant */
-	int precision;		/* clock precision (usec) (read only) */
-	int tolerance;		/* clock frequency tolerance (ppm)
-				 * (read only)
-				 */
-	struct compat_timeval time;	/* (read only) */
-	int tick;		/* (modified) usecs between clock ticks */
-
-	int ppsfreq;           /* pps frequency (scaled ppm) (ro) */
-	int jitter;            /* pps jitter (us) (ro) */
-	int shift;              /* interval duration (s) (shift) (ro) */
-	int stabil;            /* pps stability (scaled ppm) (ro) */
-	int jitcnt;            /* jitter limit exceeded (ro) */
-	int calcnt;            /* calibration intervals (ro) */
-	int errcnt;            /* calibration errors (ro) */
-	int stbcnt;            /* stability limit exceeded (ro) */
-
-	int  :32; int  :32; int  :32; int  :32;
-	int  :32; int  :32; int  :32; int  :32;
-	int  :32; int  :32; int  :32; int  :32;
-};
-
-asmlinkage long sys32_adjtimex(struct timex32 __user *txc_p32)
+asmlinkage long sys32_adjtimex(struct compat_timex __user *txc_p32)
 {
 	struct timex txc;
-	struct timex32 t32;
+	struct compat_timex t32;
 	int ret;
 	extern int do_adjtimex(struct timex *txc);
 
-	if(copy_from_user(&t32, txc_p32, sizeof(struct timex32)))
+	if(copy_from_user(&t32, txc_p32, sizeof(struct compat_timex)))
 		return -EFAULT;
 #undef CP
 #define CP(x) txc.x = t32.x
@@ -620,7 +591,7 @@ asmlinkage long sys32_adjtimex(struct timex32 __user *txc_p32)
 	CP(time.tv_sec); CP(time.tv_usec); CP(tick); CP(ppsfreq); CP(jitter);
 	CP(shift); CP(stabil); CP(jitcnt); CP(calcnt); CP(errcnt);
 	CP(stbcnt);
-	return copy_to_user(txc_p32, &t32, sizeof(struct timex32)) ? -EFAULT : ret;
+	return copy_to_user(txc_p32, &t32, sizeof(struct compat_timex)) ? -EFAULT : ret;
 }