X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fs390%2Fkernel%2Fcompat_linux.c;h=5685c5feb3c68ed9d4a0b4507a924d4992b46902;hb=8924cb29b44d7e7bc69a58f6d196470a5bcd9385;hp=df06185d54c2843dccc19e178c0634e2ae172d2f;hpb=86090fcac5e27b630656fe3d963a6b80e26dac44;p=linux-2.6.git

diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index df06185d5..5685c5feb 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -355,144 +355,6 @@ asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long high, unsigned
 		return sys_ftruncate(fd, (high << 32) | low);
 }
 
-typedef ssize_t (*io_fn_t)(struct file *, char *, size_t, loff_t *);
-typedef ssize_t (*iov_fn_t)(struct file *, const struct iovec *, unsigned long, loff_t *);
-
-static long do_readv_writev32(int type, struct file *file,
-			      const struct compat_iovec *vector, u32 count)
-{
-	unsigned long tot_len;
-	struct iovec iovstack[UIO_FASTIOV];
-	struct iovec *iov=iovstack, *ivp;
-	struct inode *inode;
-	long retval, i;
-	io_fn_t fn;
-	iov_fn_t fnv;
-
-	/* First get the "struct iovec" from user memory and
-	 * verify all the pointers
-	 */
-	if (!count)
-		return 0;
-	if (verify_area(VERIFY_READ, vector, sizeof(struct compat_iovec)*count))
-		return -EFAULT;
-	if (count > UIO_MAXIOV)
-		return -EINVAL;
-	if (count > UIO_FASTIOV) {
-		iov = kmalloc(count*sizeof(struct iovec), GFP_KERNEL);
-		if (!iov)
-			return -ENOMEM;
-	}
-
-	tot_len = 0;
-	i = count;
-	ivp = iov;
-	retval = -EINVAL;
-	while(i > 0) {
-		compat_ssize_t tmp = tot_len;
-		compat_ssize_t len;
-		u32 buf;
-
-		if (__get_user(len, &vector->iov_len) ||
-		    __get_user(buf, &vector->iov_base)) {
-			retval = -EFAULT;
-			goto out;
-		}
-		if (len < 0)	/* size_t not fitting an ssize_t32 .. */
-			goto out;
-		tot_len += len;
-		if (tot_len < tmp) /* maths overflow on the compat_ssize_t */
-			goto out;
-		ivp->iov_base = (void *)A(buf);
-		ivp->iov_len = (__kernel_size_t) len;
-		vector++;
-		ivp++;
-		i--;
-	}
-	if (tot_len == 0) {
-		retval = 0;
-		goto out;
-	}
-
-	inode = file->f_dentry->d_inode;
-	/* VERIFY_WRITE actually means a read, as we write to user space */
-	retval = locks_verify_area((type == VERIFY_WRITE
-				    ? FLOCK_VERIFY_READ : FLOCK_VERIFY_WRITE),
-				   inode, file, file->f_pos, tot_len);
-	if (retval)
-		goto out;
-
-	/* VERIFY_WRITE actually means a read, as we write to user space */
-	fnv = (type == VERIFY_WRITE ? file->f_op->readv : file->f_op->writev);
-	if (fnv) {
-		retval = fnv(file, iov, count, &file->f_pos);
-		goto out;
-	}
-
-	fn = (type == VERIFY_WRITE ? file->f_op->read :
-	      (io_fn_t) file->f_op->write);
-
-	ivp = iov;
-	while (count > 0) {
-		void * base;
-		int len, nr;
-
-		base = ivp->iov_base;
-		len = ivp->iov_len;
-		ivp++;
-		count--;
-		nr = fn(file, base, len, &file->f_pos);
-		if (nr < 0) {
-			if (!retval)
-				retval = nr;
-			break;
-		}
-		retval += nr;
-		if (nr != len)
-			break;
-	}
-out:
-	if (iov != iovstack)
-		kfree(iov);
-
-	return retval;
-}
-
-asmlinkage long sys32_readv(int fd, struct compat_iovec *vector, unsigned long count)
-{
-	struct file *file;
-	long ret = -EBADF;
-
-	file = fget(fd);
-	if(!file)
-		goto bad_file;
-
-	if (file->f_op && (file->f_mode & FMODE_READ) &&
-	    (file->f_op->readv || file->f_op->read))
-		ret = do_readv_writev32(VERIFY_WRITE, file, vector, count);
-	fput(file);
-
-bad_file:
-	return ret;
-}
-
-asmlinkage long sys32_writev(int fd, struct compat_iovec *vector, unsigned long count)
-{
-	struct file *file;
-	int ret = -EBADF;
-
-	file = fget(fd);
-	if(!file)
-		goto bad_file;
-	if (file->f_op && (file->f_mode & FMODE_WRITE) &&
-	    (file->f_op->writev || file->f_op->write))
-		ret = do_readv_writev32(VERIFY_READ, file, vector, count);
-	fput(file);
-
-bad_file:
-	return ret;
-}
-
 /* readdir & getdents */
 
 #define NAME_OFFSET(de) ((int) ((de)->d_name - (char *) (de)))
@@ -623,160 +485,6 @@ out:
 
 /* end of readdir & getdents */
 
-/*
- * Ooo, nasty.  We need here to frob 32-bit unsigned longs to
- * 64-bit unsigned longs.
- */
-
-static inline int
-get_fd_set32(unsigned long n, unsigned long *fdset, u32 *ufdset)
-{
-	if (ufdset) {
-		unsigned long odd;
-
-		if (verify_area(VERIFY_WRITE, ufdset, n*sizeof(u32)))
-			return -EFAULT;
-
-		odd = n & 1UL;
-		n &= ~1UL;
-		while (n) {
-			unsigned long h, l;
-			__get_user(l, ufdset);
-			__get_user(h, ufdset+1);
-			ufdset += 2;
-			*fdset++ = h << 32 | l;
-			n -= 2;
-		}
-		if (odd)
-			__get_user(*fdset, ufdset);
-	} else {
-		/* Tricky, must clear full unsigned long in the
-		 * kernel fdset at the end, this makes sure that
-		 * actually happens.
-		 */
-		memset(fdset, 0, ((n + 1) & ~1)*sizeof(u32));
-	}
-	return 0;
-}
-
-static inline void
-set_fd_set32(unsigned long n, u32 *ufdset, unsigned long *fdset)
-{
-	unsigned long odd;
-
-	if (!ufdset)
-		return;
-
-	odd = n & 1UL;
-	n &= ~1UL;
-	while (n) {
-		unsigned long h, l;
-		l = *fdset++;
-		h = l >> 32;
-		__put_user(l, ufdset);
-		__put_user(h, ufdset+1);
-		ufdset += 2;
-		n -= 2;
-	}
-	if (odd)
-		__put_user(*fdset, ufdset);
-}
-
-#define MAX_SELECT_SECONDS \
-	((unsigned long) (MAX_SCHEDULE_TIMEOUT / HZ)-1)
-
-asmlinkage long sys32_select(int n, u32 *inp, u32 *outp, u32 *exp,
-				struct compat_timeval *tvp)
-{
-	fd_set_bits fds;
-	char *bits;
-	unsigned long nn;
-	long timeout;
-	int ret, size;
-
-	timeout = MAX_SCHEDULE_TIMEOUT;
-	if (tvp) {
-		int sec, usec;
-
-		if ((ret = verify_area(VERIFY_READ, tvp, sizeof(*tvp)))
-		    || (ret = __get_user(sec, &tvp->tv_sec))
-		    || (ret = __get_user(usec, &tvp->tv_usec)))
-			goto out_nofds;
-
-		ret = -EINVAL;
-		if(sec < 0 || usec < 0)
-			goto out_nofds;
-
-		if ((unsigned long) sec < MAX_SELECT_SECONDS) {
-			timeout = (usec + 1000000/HZ - 1) / (1000000/HZ);
-			timeout += sec * (unsigned long) HZ;
-		}
-	}
-
-	ret = -EINVAL;
-	if (n < 0)
-		goto out_nofds;
-	if (n > current->files->max_fdset)
-		n = current->files->max_fdset;
-
-	/*
-	 * We need 6 bitmaps (in/out/ex for both incoming and outgoing),
-	 * since we used fdset we need to allocate memory in units of
-	 * long-words. 
-	 */
-	ret = -ENOMEM;
-	size = FDS_BYTES(n);
-	bits = kmalloc(6 * size, GFP_KERNEL);
-	if (!bits)
-		goto out_nofds;
-	fds.in      = (unsigned long *)  bits;
-	fds.out     = (unsigned long *) (bits +   size);
-	fds.ex      = (unsigned long *) (bits + 2*size);
-	fds.res_in  = (unsigned long *) (bits + 3*size);
-	fds.res_out = (unsigned long *) (bits + 4*size);
-	fds.res_ex  = (unsigned long *) (bits + 5*size);
-
-	nn = (n + 8*sizeof(u32) - 1) / (8*sizeof(u32));
-	if ((ret = get_fd_set32(nn, fds.in, inp)) ||
-	    (ret = get_fd_set32(nn, fds.out, outp)) ||
-	    (ret = get_fd_set32(nn, fds.ex, exp)))
-		goto out;
-	zero_fd_set(n, fds.res_in);
-	zero_fd_set(n, fds.res_out);
-	zero_fd_set(n, fds.res_ex);
-
-	ret = do_select(n, &fds, &timeout);
-
-	if (tvp && !(current->personality & STICKY_TIMEOUTS)) {
-		int sec = 0, usec = 0;
-		if (timeout) {
-			sec = timeout / HZ;
-			usec = timeout % HZ;
-			usec *= (1000000/HZ);
-		}
-		put_user(sec, &tvp->tv_sec);
-		put_user(usec, &tvp->tv_usec);
-	}
-
-	if (ret < 0)
-		goto out;
-	if (!ret) {
-		ret = -ERESTARTNOHAND;
-		if (signal_pending(current))
-			goto out;
-		ret = 0;
-	}
-
-	set_fd_set32(nn, inp, fds.res_in);
-	set_fd_set32(nn, outp, fds.res_out);
-	set_fd_set32(nn, exp, fds.res_ex);
-
-out:
-	kfree(bits);
-out_nofds:
-	return ret;
-}
-
 int cp_compat_stat(struct kstat *stat, struct compat_stat *statbuf)
 {
 	int err;
@@ -1026,188 +734,6 @@ sys32_rt_sigqueueinfo(int pid, int sig, siginfo_t32 __user *uinfo)
 	return ret;
 }
 
-extern void check_pending(int signum);
-
-/*
- * count32() counts the number of arguments/envelopes
- */
-static int count32(u32 * argv)
-{
-	int i = 0;
-
-	if (argv != NULL) {
-		for (;;) {
-			u32 p; int error;
-
-			error = get_user(p,argv);
-			if (error) return error;
-			if (!p) break;
-			argv++; i++;
-		}
-	}
-	return i;
-}
-
-/*
- * 'copy_string32()' copies argument/envelope strings from user
- * memory to free pages in kernel mem. These are in a format ready
- * to be put directly into the top of new user memory.
- */
-static int copy_strings32(int argc, u32 * argv, struct linux_binprm *bprm)
-{
-	while (argc-- > 0) {
-		u32 str;
-		int len;
-		unsigned long pos;
-
-		if (get_user(str, argv + argc) ||
-		    !str ||
-		    !(len = strnlen_user((char *)A(str), bprm->p)))
-			return -EFAULT;
-
-		if (bprm->p < len)
-			return -E2BIG;
-
-		bprm->p -= len;
-
-		pos = bprm->p;
-		while (len) {
-			char *kaddr;
-			struct page *page;
-			int offset, bytes_to_copy, new, err;
-
-			offset = pos % PAGE_SIZE;
-			page = bprm->page[pos / PAGE_SIZE];
-			new = 0;
-			if (!page) {
-				page = alloc_page(GFP_USER);
-				bprm->page[pos / PAGE_SIZE] = page;
-				if (!page)
-					return -ENOMEM;
-				new = 1;
-			}
-			kaddr = (char *)kmap(page);
-
-			if (new && offset)
-				memset(kaddr, 0, offset);
-			bytes_to_copy = PAGE_SIZE - offset;
-			if (bytes_to_copy > len) {
-				bytes_to_copy = len;
-				if (new)
-					memset(kaddr+offset+len, 0,
-					       PAGE_SIZE-offset-len);
-			}
-
-			err = copy_from_user(kaddr + offset, (char *)A(str),
-					     bytes_to_copy);
-			kunmap(page);
-
-			if (err)
-				return -EFAULT;
-
-			pos += bytes_to_copy;
-			str += bytes_to_copy;
-			len -= bytes_to_copy;
-		}
-	}
-	return 0;
-}
-
-/*
- * sys32_execve() executes a new program.
- */
-static inline int 
-do_execve32(char * filename, u32 * argv, u32 * envp, struct pt_regs * regs)
-{
-	struct linux_binprm bprm;
-	struct file * file;
-	int retval;
-	int i;
-
-	sched_balance_exec();
-
-	file = open_exec(filename);
-
-	retval = PTR_ERR(file);
-	if (IS_ERR(file))
-		return retval;
-
-	bprm.p = PAGE_SIZE*MAX_ARG_PAGES-sizeof(void *);
-	memset(bprm.page, 0, MAX_ARG_PAGES * sizeof(bprm.page[0]));
-
-	bprm.file = file;
-	bprm.filename = filename;
-	bprm.interp = filename;
-	bprm.sh_bang = 0;
-	bprm.loader = 0;
-	bprm.exec = 0;
-	bprm.mm = mm_alloc();
-	retval = -ENOMEM;
-	if (!bprm.mm)
-		goto out_file;
-
-	/* init_new_context is empty for s390x. */
-
-	bprm.argc = count32(argv);
-	if ((retval = bprm.argc) < 0)
-		goto out_mm;
-
-	bprm.envc = count32(envp);
-	if ((retval = bprm.envc) < 0)
-		goto out_mm;
-
-	retval = security_bprm_alloc(&bprm);
-	if (retval)
-		goto out;
-
-	retval = prepare_binprm(&bprm);
-	if (retval < 0)
-		goto out;
-	
-	retval = copy_strings_kernel(1, &bprm.filename, &bprm);
-	if (retval < 0)
-		goto out;
-
-	bprm.exec = bprm.p;
-	retval = copy_strings32(bprm.envc, envp, &bprm);
-	if (retval < 0)
-		goto out;
-
-	retval = copy_strings32(bprm.argc, argv, &bprm);
-	if (retval < 0)
-		goto out;
-
-	retval = search_binary_handler(&bprm, regs);
-	if (retval >= 0) {
-		/* execve success */
-		security_bprm_free(&bprm);
-		return retval;
-	}
-
-out:
-	/* Something went wrong, return the inode and free the argument pages*/
-	for (i=0 ; i<MAX_ARG_PAGES ; i++) {
-		struct page * page = bprm.page[i];
-		if (page)
-			__free_page(page);
-	}
-
-	if (bprm.security)
-		security_bprm_free(&bprm);
-
-out_mm:
-	if (bprm.mm)
-		mmdrop(bprm.mm);
-
-out_file:
-	if (bprm.file) {
-		allow_write_access(bprm.file);
-		fput(bprm.file);
-	}
-
-	return retval;
-}
-
 /*
  * sys32_execve() executes a new program after the asm stub has set
  * things up for us.  This should basically do what I want it to.
@@ -1218,11 +744,12 @@ sys32_execve(struct pt_regs regs)
         int error;
         char * filename;
 
-        filename = getname((char *)A(regs.orig_gpr2));
+        filename = getname(compat_ptr(regs.orig_gpr2));
         error = PTR_ERR(filename);
         if (IS_ERR(filename))
                 goto out;
-        error = do_execve32(filename, (u32 *)A(regs.gprs[3]), (u32 *)A(regs.gprs[4]), &regs);
+        error = compat_do_execve(filename, compat_ptr(regs.gprs[3]),
+				 compat_ptr(regs.gprs[4]), &regs);
 	if (error == 0)
 	{
 		current->ptrace &= ~PT_DTRACE;
@@ -1270,226 +797,6 @@ sys32_delete_module(const char __user *name_user, unsigned int flags)
 
 #endif  /* CONFIG_MODULES */
 
-/* Stuff for NFS server syscalls... */
-struct nfsctl_svc32 {
-	u16			svc32_port;
-	s32			svc32_nthreads;
-};
-
-struct nfsctl_client32 {
-	s8			cl32_ident[NFSCLNT_IDMAX+1];
-	s32			cl32_naddr;
-	struct in_addr		cl32_addrlist[NFSCLNT_ADDRMAX];
-	s32			cl32_fhkeytype;
-	s32			cl32_fhkeylen;
-	u8			cl32_fhkey[NFSCLNT_KEYMAX];
-};
-
-struct nfsctl_export32 {
-	s8			ex32_client[NFSCLNT_IDMAX+1];
-	s8			ex32_path[NFS_MAXPATHLEN+1];
-	compat_dev_t	ex32_dev;
-	compat_ino_t	ex32_ino;
-	s32			ex32_flags;
-	compat_uid_t	ex32_anon_uid;
-	compat_gid_t	ex32_anon_gid;
-};
-
-struct nfsctl_fdparm32 {
-	struct sockaddr		gd32_addr;
-	s8			gd32_path[NFS_MAXPATHLEN+1];
-	s32			gd32_version;
-};
-
-struct nfsctl_fsparm32 {
-	struct sockaddr		gd32_addr;
-	s8			gd32_path[NFS_MAXPATHLEN+1];
-	s32			gd32_maxlen;
-};
-
-struct nfsctl_arg32 {
-	s32			ca32_version;	/* safeguard */
-	union {
-		struct nfsctl_svc32	u32_svc;
-		struct nfsctl_client32	u32_client;
-		struct nfsctl_export32	u32_export;
-		struct nfsctl_fdparm32	u32_getfd;
-		struct nfsctl_fsparm32	u32_getfs;
-	} u;
-#define ca32_svc	u.u32_svc
-#define ca32_client	u.u32_client
-#define ca32_export	u.u32_export
-#define ca32_getfd	u.u32_getfd
-#define ca32_getfs	u.u32_getfs
-#define ca32_authd	u.u32_authd
-};
-
-union nfsctl_res32 {
-	__u8			cr32_getfh[NFS_FHSIZE];
-	struct knfsd_fh		cr32_getfs;
-};
-
-static int nfs_svc32_trans(struct nfsctl_arg *karg, struct nfsctl_arg32 *arg32)
-{
-	int err;
-	
-	err = __get_user(karg->ca_version, &arg32->ca32_version);
-	err |= __get_user(karg->ca_svc.svc_port, &arg32->ca32_svc.svc32_port);
-	err |= __get_user(karg->ca_svc.svc_nthreads, &arg32->ca32_svc.svc32_nthreads);
-	return err;
-}
-
-static int nfs_clnt32_trans(struct nfsctl_arg *karg, struct nfsctl_arg32 *arg32)
-{
-	int err;
-	
-	err = __get_user(karg->ca_version, &arg32->ca32_version);
-	err |= copy_from_user(&karg->ca_client.cl_ident[0],
-			  &arg32->ca32_client.cl32_ident[0],
-			  NFSCLNT_IDMAX);
-	err |= __get_user(karg->ca_client.cl_naddr, &arg32->ca32_client.cl32_naddr);
-	err |= copy_from_user(&karg->ca_client.cl_addrlist[0],
-			  &arg32->ca32_client.cl32_addrlist[0],
-			  (sizeof(struct in_addr) * NFSCLNT_ADDRMAX));
-	err |= __get_user(karg->ca_client.cl_fhkeytype,
-		      &arg32->ca32_client.cl32_fhkeytype);
-	err |= __get_user(karg->ca_client.cl_fhkeylen,
-		      &arg32->ca32_client.cl32_fhkeylen);
-	err |= copy_from_user(&karg->ca_client.cl_fhkey[0],
-			  &arg32->ca32_client.cl32_fhkey[0],
-			  NFSCLNT_KEYMAX);
-	return err;
-}
-
-static int nfs_exp32_trans(struct nfsctl_arg *karg, struct nfsctl_arg32 *arg32)
-{
-	int err;
-	
-	err = __get_user(karg->ca_version, &arg32->ca32_version);
-	err |= copy_from_user(&karg->ca_export.ex_client[0],
-			  &arg32->ca32_export.ex32_client[0],
-			  NFSCLNT_IDMAX);
-	err |= copy_from_user(&karg->ca_export.ex_path[0],
-			  &arg32->ca32_export.ex32_path[0],
-			  NFS_MAXPATHLEN);
-	err |= __get_user(karg->ca_export.ex_dev,
-		      &arg32->ca32_export.ex32_dev);
-	err |= __get_user(karg->ca_export.ex_ino,
-		      &arg32->ca32_export.ex32_ino);
-	err |= __get_user(karg->ca_export.ex_flags,
-		      &arg32->ca32_export.ex32_flags);
-	err |= __get_user(karg->ca_export.ex_anon_uid,
-		      &arg32->ca32_export.ex32_anon_uid);
-	err |= __get_user(karg->ca_export.ex_anon_gid,
-		      &arg32->ca32_export.ex32_anon_gid);
-	karg->ca_export.ex_anon_uid = high2lowuid(karg->ca_export.ex_anon_uid);
-	karg->ca_export.ex_anon_gid = high2lowgid(karg->ca_export.ex_anon_gid);
-	return err;
-}
-
-static int nfs_getfd32_trans(struct nfsctl_arg *karg, struct nfsctl_arg32 *arg32)
-{
-	int err;
-	
-	err = __get_user(karg->ca_version, &arg32->ca32_version);
-	err |= copy_from_user(&karg->ca_getfd.gd_addr,
-			  &arg32->ca32_getfd.gd32_addr,
-			  (sizeof(struct sockaddr)));
-	err |= copy_from_user(&karg->ca_getfd.gd_path,
-			  &arg32->ca32_getfd.gd32_path,
-			  (NFS_MAXPATHLEN+1));
-	err |= __get_user(karg->ca_getfd.gd_version,
-		      &arg32->ca32_getfd.gd32_version);
-	return err;
-}
-
-static int nfs_getfs32_trans(struct nfsctl_arg *karg, struct nfsctl_arg32 *arg32)
-{
-	int err;
-	
-	err = __get_user(karg->ca_version, &arg32->ca32_version);
-	err |= copy_from_user(&karg->ca_getfs.gd_addr,
-			  &arg32->ca32_getfs.gd32_addr,
-			  (sizeof(struct sockaddr)));
-	err |= copy_from_user(&karg->ca_getfs.gd_path,
-			  &arg32->ca32_getfs.gd32_path,
-			  (NFS_MAXPATHLEN+1));
-	err |= __get_user(karg->ca_getfs.gd_maxlen,
-		      &arg32->ca32_getfs.gd32_maxlen);
-	return err;
-}
-
-/* This really doesn't need translations, we are only passing
- * back a union which contains opaque nfs file handle data.
- */
-static int nfs_getfh32_res_trans(union nfsctl_res *kres, union nfsctl_res32 *res32)
-{
-	return copy_to_user(res32, kres, sizeof(*res32)) ? -EFAULT : 0;
-}
-
-long asmlinkage sys32_nfsservctl(int cmd, struct nfsctl_arg32 *arg32, union nfsctl_res32 *res32)
-{
-	struct nfsctl_arg *karg = NULL;
-	union nfsctl_res *kres = NULL;
-	mm_segment_t oldfs;
-	int err;
-
-	karg = kmalloc(sizeof(*karg), GFP_USER);
-	if(!karg)
-		return -ENOMEM;
-	if(res32) {
-		kres = kmalloc(sizeof(*kres), GFP_USER);
-		if(!kres) {
-			kfree(karg);
-			return -ENOMEM;
-		}
-	}
-	switch(cmd) {
-	case NFSCTL_SVC:
-		err = nfs_svc32_trans(karg, arg32);
-		break;
-	case NFSCTL_ADDCLIENT:
-		err = nfs_clnt32_trans(karg, arg32);
-		break;
-	case NFSCTL_DELCLIENT:
-		err = nfs_clnt32_trans(karg, arg32);
-		break;
-	case NFSCTL_EXPORT:
-	case NFSCTL_UNEXPORT:
-		err = nfs_exp32_trans(karg, arg32);
-		break;
-	case NFSCTL_GETFD:
-		err = nfs_getfd32_trans(karg, arg32);
-		break;
-	case NFSCTL_GETFS:
-		err = nfs_getfs32_trans(karg, arg32);
-		break;
-	default:
-		err = -EINVAL;
-		break;
-	}
-	if(err)
-		goto done;
-	oldfs = get_fs();
-	set_fs(KERNEL_DS);
-	err = sys_nfsservctl(cmd, karg, kres);
-	set_fs(oldfs);
-
-	if (err)
-		goto done;
-
-	if((cmd == NFSCTL_GETFD) ||
-	   (cmd == NFSCTL_GETFS))
-		err = nfs_getfh32_res_trans(kres, res32);
-
-done:
-	if(karg)
-		kfree(karg);
-	if(kres)
-		kfree(kres);
-	return err;
-}
-
 /* Translations due to time_t size differences.  Which affects all
    sorts of things, like timeval and itimerval.  */