From f8b7256096a20436f6d0926747e3ac3d64c81d24 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Mon, 30 Nov 2009 17:37:04 -0500 Subject: Unify sys_mmap* New helper - sys_mmap_pgoff(); switch syscalls to using it. Acked-by: David S. Miller Signed-off-by: Al Viro --- arch/cris/kernel/sys_cris.c | 30 +++--------------------------- 1 file changed, 3 insertions(+), 27 deletions(-) (limited to 'arch/cris') diff --git a/arch/cris/kernel/sys_cris.c b/arch/cris/kernel/sys_cris.c index 2ad962c7e88e..c2bbb1ac98a9 100644 --- a/arch/cris/kernel/sys_cris.c +++ b/arch/cris/kernel/sys_cris.c @@ -26,31 +26,6 @@ #include #include -/* common code for old and new mmaps */ -static inline long -do_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; - - 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 unsigned long old_mmap(unsigned long __user *args) { unsigned long buffer[6]; @@ -63,7 +38,7 @@ asmlinkage unsigned long old_mmap(unsigned long __user *args) if (buffer[5] & ~PAGE_MASK) /* verify that offset is on page boundary */ goto out; - err = do_mmap2(buffer[0], buffer[1], buffer[2], buffer[3], + err = sys_mmap_pgoff(buffer[0], buffer[1], buffer[2], buffer[3], buffer[4], buffer[5] >> PAGE_SHIFT); out: return err; @@ -73,7 +48,8 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long pgoff) { - return do_mmap2(addr, len, prot, flags, fd, pgoff); + /* bug(?): 8Kb pages here */ + return sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff); } /* -- cgit v1.2.2