convert sendfile{,64} to COMPAT_SYSCALL_DEFINE

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

4 files changed, 2 insertions, 62 deletions

diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index 19f26de27fae..fbd29c70a297 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -373,48 +373,6 @@ asmlinkage compat_ssize_t sys32_readahead(int fd, u32 offhi, u32 offlo, s32 coun
         return sys_readahead(fd, ((loff_t)AA(offhi) << 32) | AA(offlo), count);
 }
 
-asmlinkage long sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset, size_t count)
-{
-        mm_segment_t old_fs = get_fs();
-        int ret;
-        off_t of;
-        
-        if (offset && get_user(of, offset))
-                return -EFAULT;
-                
-        set_fs(KERNEL_DS);
-        ret = sys_sendfile(out_fd, in_fd,
-                           offset ? (off_t __force __user *) &of : NULL, count);
-        set_fs(old_fs);
-        
-        if (offset && put_user(of, offset))
-                return -EFAULT;
-                
-        return ret;
-}
-
-asmlinkage long sys32_sendfile64(int out_fd, int in_fd,
-                                compat_loff_t __user *offset, s32 count)
-{
-        mm_segment_t old_fs = get_fs();
-        int ret;
-        loff_t lof;
-        
-        if (offset && get_user(lof, offset))
-                return -EFAULT;
-                
-        set_fs(KERNEL_DS);
-        ret = sys_sendfile64(out_fd, in_fd,
-                             offset ? (loff_t __force __user *) &lof : NULL,
-                             count);
-        set_fs(old_fs);
-        
-        if (offset && put_user(lof, offset))
-                return -EFAULT;
-                
-        return ret;
-}
-
 struct stat64_emu31 {
         unsigned long long  st_dev;
         unsigned int    __pad1;
diff --git a/arch/s390/kernel/compat_linux.h b/arch/s390/kernel/compat_linux.h
index 00d92a5a6f6c..bce0b7aec8f9 100644
--- a/arch/s390/kernel/compat_linux.h
+++ b/arch/s390/kernel/compat_linux.h
@@ -106,10 +106,6 @@ long sys32_pread64(unsigned int fd, char __user *ubuf, size_t count,
 long sys32_pwrite64(unsigned int fd, const char __user *ubuf,
                     size_t count, u32 poshi, u32 poslo);
 compat_ssize_t sys32_readahead(int fd, u32 offhi, u32 offlo, s32 count);
-long sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset,
-                    size_t count);
-long sys32_sendfile64(int out_fd, int in_fd, compat_loff_t __user *offset,
-                      s32 count);
 long sys32_stat64(const char __user * filename, struct stat64_emu31 __user * statbuf);
 long sys32_lstat64(const char __user * filename,
                    struct stat64_emu31 __user * statbuf);
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index 626cc6f0f446..a1dda9c67efe 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -666,13 +666,6 @@ ENTRY(sys32_capset_wrapper)
         llgtr   %r3,%r3                 # const cap_user_data_t
         jg      sys_capset              # branch to system call
 
-ENTRY(sys32_sendfile_wrapper)
-        lgfr    %r2,%r2                 # int
-        lgfr    %r3,%r3                 # int
-        llgtr   %r4,%r4                 # __kernel_off_emu31_t *
-        llgfr   %r5,%r5                 # size_t
-        jg      sys32_sendfile          # branch to system call
-
 #sys32_vfork_wrapper                    # done in vfork_glue
 
 ENTRY(sys32_truncate64_wrapper)
@@ -1348,13 +1341,6 @@ ENTRY(sys32_readahead_wrapper)
         lgfr    %r5,%r5                 # s32
         jg      sys32_readahead         # branch to system call
 
-ENTRY(sys32_sendfile64_wrapper)
-        lgfr    %r2,%r2                 # int
-        lgfr    %r3,%r3                 # int
-        llgtr   %r4,%r4                 # compat_loff_t *
-        lgfr    %r5,%r5                 # s32
-        jg      sys32_sendfile64        # branch to system call
-
 ENTRY(sys_tkill_wrapper)
         lgfr    %r2,%r2                 # pid_t
         lgfr    %r3,%r3                 # int
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index 2695bb89699e..5f3f7fbc5465 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -195,7 +195,7 @@ SYSCALL(sys_getcwd,sys_getcwd,sys32_getcwd_wrapper)
 SYSCALL(sys_capget,sys_capget,sys32_capget_wrapper)
 SYSCALL(sys_capset,sys_capset,sys32_capset_wrapper)             /* 185 */
 SYSCALL(sys_sigaltstack,sys_sigaltstack,compat_sys_sigaltstack)
-SYSCALL(sys_sendfile,sys_sendfile64,sys32_sendfile_wrapper)
+SYSCALL(sys_sendfile,sys_sendfile64,compat_sys_sendfile)
 NI_SYSCALL                                                      /* streams1 */
 NI_SYSCALL                                                      /* streams2 */
 SYSCALL(sys_vfork,sys_vfork,sys_vfork)                          /* 190 */
@@ -231,7 +231,7 @@ SYSCALL(sys_madvise,sys_madvise,sys32_madvise_wrapper)
 SYSCALL(sys_getdents64,sys_getdents64,sys32_getdents64_wrapper) /* 220 */
 SYSCALL(sys_fcntl64,sys_ni_syscall,compat_sys_fcntl64_wrapper)
 SYSCALL(sys_readahead,sys_readahead,sys32_readahead_wrapper)
-SYSCALL(sys_sendfile64,sys_ni_syscall,sys32_sendfile64_wrapper)
+SYSCALL(sys_sendfile64,sys_ni_syscall,compat_sys_sendfile64)
 SYSCALL(sys_setxattr,sys_setxattr,sys32_setxattr_wrapper)
 SYSCALL(sys_lsetxattr,sys_lsetxattr,sys32_lsetxattr_wrapper)    /* 225 */
 SYSCALL(sys_fsetxattr,sys_fsetxattr,sys32_fsetxattr_wrapper)