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| author | Ingo Molnar <mingo@elte.hu> | 2008-12-03 12:54:45 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-12-03 12:54:45 +0100 |
| commit | c36910c147fd7b129a8f1269c76b9767c99de5cd (patch) | |
| tree | 29403cd341b62581718f6b34944271980fb133e6 /arch/frv/kernel/sys_frv.c | |
| parent | 70d7d357578245f1993fd2d3ccd26088bcd38941 (diff) | |
| parent | 09ee17eb8ea89514c13980c4010bdbbaea8630c2 (diff) | |
| download | op-kernel-dev-c36910c147fd7b129a8f1269c76b9767c99de5cd.zip op-kernel-dev-c36910c147fd7b129a8f1269c76b9767c99de5cd.tar.gz | |
Merge branch 'iommu-fixes-2.6.28' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/linux-2.6-iommu into x86/urgent
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 49b2cf2..baadc97 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); |
