s390: switch to generic compat sched_rr_get_interval()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

arch/s390/kernel/compat_linux.c

@@ -352,22 +352,6 @@ asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long high, unsigned
 		return sys_ftruncate(fd, (high << 32) | low);
 }
 
-asmlinkage long sys32_sched_rr_get_interval(compat_pid_t pid,
-				struct compat_timespec __user *interval)
-{
-	struct timespec t;
-	int ret;
-	mm_segment_t old_fs = get_fs ();
-	
-	set_fs (KERNEL_DS);
-	ret = sys_sched_rr_get_interval(pid,
-					(struct timespec __force __user *) &t);
-	set_fs (old_fs);
-	if (put_compat_timespec(&t, interval))
-		return -EFAULT;
-	return ret;
-}
-
 asmlinkage long sys32_pread64(unsigned int fd, char __user *ubuf,
 				size_t count, u32 poshi, u32 poslo)
 {

arch/s390/kernel/compat_linux.h

@@ -113,8 +113,6 @@ long sys32_ipc(u32 call, int first, int second, int third, u32 ptr);
 long sys32_truncate64(const char __user * path, unsigned long high,
 		      unsigned long low);
 long sys32_ftruncate64(unsigned int fd, unsigned long high, unsigned long low);
-long sys32_sched_rr_get_interval(compat_pid_t pid,
-				 struct compat_timespec __user *interval);
 long sys32_init_module(void __user *umod, unsigned long len,
 		       const char __user *uargs);
 long sys32_delete_module(const char __user *name_user, unsigned int flags);

arch/s390/kernel/compat_wrapper.S

@@ -631,7 +631,7 @@ ENTRY(sys32_sched_get_priority_min_wrapper)
 ENTRY(sys32_sched_rr_get_interval_wrapper)
 	lgfr	%r2,%r2			# pid_t
 	llgtr	%r3,%r3			# struct compat_timespec *
-	jg	sys32_sched_rr_get_interval	# branch to system call
+	jg	compat_sys_sched_rr_get_interval	# branch to system call
 
 ENTRY(compat_sys_nanosleep_wrapper)
 	llgtr	%r2,%r2			# struct compat_timespec *