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Diffstat (limited to 'arch/s390/kernel')
-rw-r--r--arch/s390/kernel/entry.h5
-rw-r--r--arch/s390/kernel/sys_s390.c30
-rw-r--r--arch/s390/kernel/syscalls.S2
3 files changed, 9 insertions, 28 deletions
diff --git a/arch/s390/kernel/entry.h b/arch/s390/kernel/entry.h
index 9905a0cacf93..5de54d2af0b2 100644
--- a/arch/s390/kernel/entry.h
+++ b/arch/s390/kernel/entry.h
@@ -25,12 +25,11 @@ void __init startup_init(void);
void die(const char * str, struct pt_regs * regs, long err);
struct new_utsname;
-struct mmap_arg_struct;
+struct s390_mmap_arg_struct;
struct fadvise64_64_args;
struct old_sigaction;
-long sys_mmap2(struct mmap_arg_struct __user *arg);
-long sys_s390_old_mmap(struct mmap_arg_struct __user *arg);
+long sys_mmap2(struct s390_mmap_arg_struct __user *arg);
long sys_ipc(uint call, int first, unsigned long second,
unsigned long third, void __user *ptr);
long sys_s390_newuname(struct new_utsname __user *name);
diff --git a/arch/s390/kernel/sys_s390.c b/arch/s390/kernel/sys_s390.c
index 86a74c9c9e63..b2563509b5a9 100644
--- a/arch/s390/kernel/sys_s390.c
+++ b/arch/s390/kernel/sys_s390.c
@@ -33,13 +33,12 @@
#include "entry.h"
/*
- * Perform the select(nd, in, out, ex, tv) and mmap() system
- * calls. Linux for S/390 isn't able to handle more than 5
- * system call parameters, so these system calls used a memory
- * block for parameter passing..
+ * Perform the mmap() system call. Linux for S/390 isn't able to handle more
+ * than 5 system call parameters, so this system call uses a memory block
+ * for parameter passing.
*/
-struct mmap_arg_struct {
+struct s390_mmap_arg_struct {
unsigned long addr;
unsigned long len;
unsigned long prot;
@@ -48,9 +47,9 @@ struct mmap_arg_struct {
unsigned long offset;
};
-SYSCALL_DEFINE1(mmap2, struct mmap_arg_struct __user *, arg)
+SYSCALL_DEFINE1(mmap2, struct s390_mmap_arg_struct __user *, arg)
{
- struct mmap_arg_struct a;
+ struct s390_mmap_arg_struct a;
int error = -EFAULT;
if (copy_from_user(&a, arg, sizeof(a)))
@@ -60,23 +59,6 @@ out:
return error;
}
-SYSCALL_DEFINE1(s390_old_mmap, struct mmap_arg_struct __user *, arg)
-{
- struct mmap_arg_struct a;
- long error = -EFAULT;
-
- if (copy_from_user(&a, arg, sizeof(a)))
- goto out;
-
- error = -EINVAL;
- if (a.offset & ~PAGE_MASK)
- goto out;
-
- error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, a.offset >> PAGE_SHIFT);
-out:
- return error;
-}
-
/*
* sys_ipc() is the de-multiplexer for the SysV IPC calls..
*
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 30eca070d426..2a24766567af 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -98,7 +98,7 @@ SYSCALL(sys_uselib,sys_uselib,sys32_uselib_wrapper)
SYSCALL(sys_swapon,sys_swapon,sys32_swapon_wrapper)
SYSCALL(sys_reboot,sys_reboot,sys32_reboot_wrapper)
SYSCALL(sys_ni_syscall,sys_ni_syscall,old32_readdir_wrapper) /* old readdir syscall */
-SYSCALL(sys_s390_old_mmap,sys_s390_old_mmap,old32_mmap_wrapper) /* 90 */
+SYSCALL(sys_old_mmap,sys_old_mmap,old32_mmap_wrapper) /* 90 */
SYSCALL(sys_munmap,sys_munmap,sys32_munmap_wrapper)
SYSCALL(sys_truncate,sys_truncate,sys32_truncate_wrapper)
SYSCALL(sys_ftruncate,sys_ftruncate,sys32_ftruncate_wrapper)