diff options
author | Grant Likely <grant.likely@secretlab.ca> | 2010-01-28 14:38:25 -0700 |
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committer | Grant Likely <grant.likely@secretlab.ca> | 2010-01-28 14:38:25 -0700 |
commit | 0ada0a73120c28cc432bcdbac061781465c2f48f (patch) | |
tree | d17cadd4ea47e25d9e48e7d409a39c84268fbd27 /arch/frv/kernel/sys_frv.c | |
parent | 6016a363f6b56b46b24655bcfc0499b715851cf3 (diff) | |
parent | 92dcffb916d309aa01778bf8963a6932e4014d07 (diff) |
Merge commit 'v2.6.33-rc5' into secretlab/test-devicetree
Diffstat (limited to 'arch/frv/kernel/sys_frv.c')
-rw-r--r-- | arch/frv/kernel/sys_frv.c | 66 |
1 files changed, 2 insertions, 64 deletions
diff --git a/arch/frv/kernel/sys_frv.c b/arch/frv/kernel/sys_frv.c index 2b6b5289cdc..1d3d4c9e252 100644 --- a/arch/frv/kernel/sys_frv.c +++ b/arch/frv/kernel/sys_frv.c @@ -31,9 +31,6 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long pgoff) { - int error = -EBADF; - struct file * file = NULL; - /* As with sparc32, make sure the shift for mmap2 is constant (12), no matter what PAGE_SIZE we have.... */ @@ -41,69 +38,10 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, trying to map something we can't */ if (pgoff & ((1 << (PAGE_SHIFT - 12)) - 1)) return -EINVAL; - pgoff >>= PAGE_SHIFT - 12; - - flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); - if (!(flags & MAP_ANONYMOUS)) { - file = fget(fd); - if (!file) - goto out; - } - - down_write(¤t->mm->mmap_sem); - error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff); - up_write(¤t->mm->mmap_sem); - - if (file) - fput(file); -out: - return error; -} - -#if 0 /* DAVIDM - do we want this */ -struct mmap_arg_struct64 { - __u32 addr; - __u32 len; - __u32 prot; - __u32 flags; - __u64 offset; /* 64 bits */ - __u32 fd; -}; - -asmlinkage long sys_mmap64(struct mmap_arg_struct64 *arg) -{ - int error = -EFAULT; - struct file * file = NULL; - struct mmap_arg_struct64 a; - unsigned long pgoff; - - if (copy_from_user(&a, arg, sizeof(a))) - return -EFAULT; - - if ((long)a.offset & ~PAGE_MASK) - return -EINVAL; - - pgoff = a.offset >> PAGE_SHIFT; - if ((a.offset >> PAGE_SHIFT) != pgoff) - return -EINVAL; - - if (!(a.flags & MAP_ANONYMOUS)) { - error = -EBADF; - file = fget(a.fd); - if (!file) - goto out; - } - a.flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); - down_write(¤t->mm->mmap_sem); - error = do_mmap_pgoff(file, a.addr, a.len, a.prot, a.flags, pgoff); - up_write(¤t->mm->mmap_sem); - if (file) - fput(file); -out: - return error; + return sys_mmap_pgoff(addr, len, prot, flags, fd, + pgoff >> (PAGE_SHIFT - 12)); } -#endif /* * sys_ipc() is the de-multiplexer for the SysV IPC calls.. |