diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-12-13 09:12:51 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-12-13 09:12:51 +0000 |
| commit | 72aaf09fda49f5919d98d65d35e5179f3acb0497 (patch) | |
| tree | 5fd25748f7f5640f8ee8efb86ddca88d12840791 /arch/frv/kernel/sys_frv.c | |
| parent | 67fbc2312312095acc2f19a0b601bac10f84cf9d (diff) | |
| parent | 58c2467355ed3154a12ee49d8f8236547145c9d3 (diff) | |
Merge git://git.marvell.com/orion into devel
Diffstat (limited to 'arch/frv/kernel/sys_frv.c')
| -rw-r--r-- | arch/frv/kernel/sys_frv.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/arch/frv/kernel/sys_frv.c b/arch/frv/kernel/sys_frv.c index 49b2cf2c38f..baadc97f862 100644 --- a/arch/frv/kernel/sys_frv.c +++ b/arch/frv/kernel/sys_frv.c @@ -35,22 +35,21 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, int error = -EBADF; struct file * file = NULL; - flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE); - if (!(flags & MAP_ANONYMOUS)) { - file = fget(fd); - if (!file) - goto out; - } - /* As with sparc32, make sure the shift for mmap2 is constant (12), no matter what PAGE_SIZE we have.... */ /* But unlike sparc32, don't just silently break if we're trying to map something we can't */ - if (pgoff & ((1<<(PAGE_SHIFT-12))-1)) + if (pgoff & ((1 << (PAGE_SHIFT - 12)) - 1)) return -EINVAL; + pgoff >>= PAGE_SHIFT - 12; - 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); |