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67e306c690
There is no reason the generic fs code should bother with NFS specific binary mount data - lift the conversion into nfs4_parse_monolithic instead. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* linux/fs/compat.c
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*
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* Kernel compatibililty routines for e.g. 32 bit syscall support
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* on 64 bit kernels.
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*
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* Copyright (C) 2002 Stephen Rothwell, IBM Corporation
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* Copyright (C) 1997-2000 Jakub Jelinek (jakub@redhat.com)
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* Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be)
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* Copyright (C) 2001,2002 Andi Kleen, SuSE Labs
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* Copyright (C) 2003 Pavel Machek (pavel@ucw.cz)
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*/
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#include <linux/compat.h>
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#include <linux/nfs4_mount.h>
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#include <linux/syscalls.h>
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#include <linux/slab.h>
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#include <linux/uaccess.h>
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#include "internal.h"
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COMPAT_SYSCALL_DEFINE5(mount, const char __user *, dev_name,
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const char __user *, dir_name,
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const char __user *, type, compat_ulong_t, flags,
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const void __user *, data)
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{
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char *kernel_type;
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void *options;
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char *kernel_dev;
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int retval;
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kernel_type = copy_mount_string(type);
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retval = PTR_ERR(kernel_type);
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if (IS_ERR(kernel_type))
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goto out;
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kernel_dev = copy_mount_string(dev_name);
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retval = PTR_ERR(kernel_dev);
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if (IS_ERR(kernel_dev))
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goto out1;
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options = copy_mount_options(data);
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retval = PTR_ERR(options);
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if (IS_ERR(options))
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goto out2;
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retval = do_mount(kernel_dev, dir_name, kernel_type, flags, options);
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out3:
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kfree(options);
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out2:
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kfree(kernel_dev);
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out1:
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kfree(kernel_type);
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out:
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return retval;
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}
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