diff options
Diffstat (limited to 'arch/i386/kernel/sys_i386.c')
-rw-r--r-- | arch/i386/kernel/sys_i386.c | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/arch/i386/kernel/sys_i386.c b/arch/i386/kernel/sys_i386.c index a4a6197..8fdb1fb 100644 --- a/arch/i386/kernel/sys_i386.c +++ b/arch/i386/kernel/sys_i386.c @@ -40,14 +40,13 @@ asmlinkage int sys_pipe(unsigned long __user * fildes) return error; } -/* 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) +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; + struct file *file = NULL; + struct mm_struct *mm = current->mm; flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); if (!(flags & MAP_ANONYMOUS)) { @@ -56,9 +55,9 @@ static inline long do_mmap2( goto out; } - down_write(¤t->mm->mmap_sem); + down_write(&mm->mmap_sem); error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff); - up_write(¤t->mm->mmap_sem); + up_write(&mm->mmap_sem); if (file) fput(file); @@ -66,13 +65,6 @@ out: return error; } -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); -} - /* * Perform the select(nd, in, out, ex, tv) and mmap() system * calls. Linux/i386 didn't use to be able to handle more than @@ -101,7 +93,8 @@ asmlinkage int old_mmap(struct mmap_arg_struct __user *arg) if (a.offset & ~PAGE_MASK) goto out; - err = do_mmap2(a.addr, a.len, a.prot, a.flags, a.fd, a.offset >> PAGE_SHIFT); + err = sys_mmap2(a.addr, a.len, a.prot, a.flags, + a.fd, a.offset >> PAGE_SHIFT); out: return err; } |