[PATCH] common compat_sys_timer_create

The comment in compat.c is wrong, every architecture provides a
get_compat_sigevent() for the IPC compat code already.

This basically moves the x86_64 version to common code and removes all the
others.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Paul Mackerras <paulus@samba.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: "David S. Miller" <davem@davemloft.net>
Acked-by: Andi Kleen <ak@muc.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

2 files changed, 1 insertions, 37 deletions

diff --git a/arch/sparc64/kernel/sys_sparc32.c b/arch/sparc64/kernel/sys_sparc32.c
index 7f6239ed2521..de342ee3116b 100644
--- a/arch/sparc64/kernel/sys_sparc32.c
+++ b/arch/sparc64/kernel/sys_sparc32.c
@@ -1120,39 +1120,3 @@ long sys32_lookup_dcookie(unsigned long cookie_high,
         return sys_lookup_dcookie((cookie_high << 32) | cookie_low,
                                   buf, len);
 }
-
-extern asmlinkage long
-sys_timer_create(clockid_t which_clock,
-                 struct sigevent __user *timer_event_spec,
-                 timer_t __user *created_timer_id);
-
-long
-sys32_timer_create(u32 clock, struct compat_sigevent __user *se32,
-                   timer_t __user *timer_id)
-{
-        struct sigevent se;
-        mm_segment_t oldfs;
-        timer_t t;
-        long err;
-
-        if (se32 == NULL)
-                return sys_timer_create(clock, NULL, timer_id);
-
-        if (get_compat_sigevent(&se, se32))
-                return -EFAULT;
-
-        if (!access_ok(VERIFY_WRITE,timer_id,sizeof(timer_t)))
-                return -EFAULT;
-
-        oldfs = get_fs();
-        set_fs(KERNEL_DS);
-        err = sys_timer_create(clock,
-                               (struct sigevent __user *) &se,
-                               (timer_t __user *) &t);
-        set_fs(oldfs);
-
-        if (!err)
-                err = __put_user (t, timer_id);
-
-        return err;
-}
diff --git a/arch/sparc64/kernel/systbls.S b/arch/sparc64/kernel/systbls.S
index 53eaf2345fe9..37e9acc9e587 100644
--- a/arch/sparc64/kernel/systbls.S
+++ b/arch/sparc64/kernel/systbls.S
@@ -73,7 +73,7 @@ sys_call_table32:
 /*250*/ .word sys32_mremap, sys32_sysctl, sys32_getsid, sys_fdatasync, sys32_nfsservctl
         .word sys_ni_syscall, sys32_clock_settime, compat_sys_clock_gettime, compat_sys_clock_getres, sys32_clock_nanosleep
 /*260*/ .word compat_sys_sched_getaffinity, compat_sys_sched_setaffinity, sys32_timer_settime, compat_sys_timer_gettime, sys_timer_getoverrun
-        .word sys_timer_delete, sys32_timer_create, sys_ni_syscall, compat_sys_io_setup, sys_io_destroy
+        .word sys_timer_delete, compat_sys_timer_create, sys_ni_syscall, compat_sys_io_setup, sys_io_destroy
 /*270*/ .word sys32_io_submit, sys_io_cancel, compat_sys_io_getevents, sys32_mq_open, sys_mq_unlink
         .word compat_sys_mq_timedsend, compat_sys_mq_timedreceive, compat_sys_mq_notify, compat_sys_mq_getsetattr, compat_sys_waitid
 /*280*/ .word sys_ni_syscall, sys_add_key, sys_request_key, sys_keyctl