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| author | Al Viro <viro@zeniv.linux.org.uk> | 2009-11-30 17:37:04 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2009-12-11 06:44:29 -0500 |
| commit | f8b7256096a20436f6d0926747e3ac3d64c81d24 (patch) | |
| tree | 18bcabd1de263bd2d0f8d6b763bde8b037716c5c /arch/sh/kernel/sys_sh.c | |
| parent | 0067bd8a55862ac9dd212bd1c4f6f5bff1ca1301 (diff) | |
| download | blackbird-obmc-linux-f8b7256096a20436f6d0926747e3ac3d64c81d24.tar.gz blackbird-obmc-linux-f8b7256096a20436f6d0926747e3ac3d64c81d24.zip | |
Unify sys_mmap*
New helper - sys_mmap_pgoff(); switch syscalls to using it.
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/sh/kernel/sys_sh.c')
| -rw-r--r-- | arch/sh/kernel/sys_sh.c | 28 |
1 files changed, 2 insertions, 26 deletions
diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c index 8aa5d1ceaf14..71399cde03b5 100644 --- a/arch/sh/kernel/sys_sh.c +++ b/arch/sh/kernel/sys_sh.c @@ -28,37 +28,13 @@ #include <asm/cacheflush.h> #include <asm/cachectl.h> -static inline long -do_mmap2(unsigned long addr, unsigned long len, unsigned long prot, - unsigned long flags, int fd, unsigned long pgoff) -{ - int error = -EBADF; - struct file *file = NULL; - - 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; -} - asmlinkage int old_mmap(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, int fd, unsigned long off) { if (off & ~PAGE_MASK) return -EINVAL; - return do_mmap2(addr, len, prot, flags, fd, off>>PAGE_SHIFT); + return sys_mmap_pgoff(addr, len, prot, flags, fd, off>>PAGE_SHIFT); } asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, @@ -74,7 +50,7 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, pgoff >>= PAGE_SHIFT - 12; - return do_mmap2(addr, len, prot, flags, fd, pgoff); + return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff); } /* |
