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author | James Morris <jmorris@namei.org> | 2009-05-08 17:56:47 +1000 |
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committer | James Morris <jmorris@namei.org> | 2009-05-08 17:56:47 +1000 |
commit | d254117099d711f215e62427f55dfb8ebd5ad011 (patch) | |
tree | 0848ff8dd74314fec14a86497f8d288c86ba7c65 /arch/sh/kernel/sys_sh.c | |
parent | integrity: remove __setup auditing msgs (diff) | |
parent | NOMMU: Don't check vm_region::vm_start is page aligned in add_nommu_region() (diff) | |
download | linux-dev-d254117099d711f215e62427f55dfb8ebd5ad011.tar.xz linux-dev-d254117099d711f215e62427f55dfb8ebd5ad011.zip |
Merge branch 'master' into next
Diffstat (limited to 'arch/sh/kernel/sys_sh.c')
-rw-r--r-- | arch/sh/kernel/sys_sh.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/sh/kernel/sys_sh.c b/arch/sh/kernel/sys_sh.c index 58dfc02c7af1..e3a7e36639ef 100644 --- a/arch/sh/kernel/sys_sh.c +++ b/arch/sh/kernel/sys_sh.c @@ -63,6 +63,15 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long pgoff) { + /* + * The shift for mmap2 is constant, regardless of PAGE_SIZE + * setting. + */ + if (pgoff & ((1 << (PAGE_SHIFT - 12)) - 1)) + return -EINVAL; + + pgoff >>= PAGE_SHIFT - 12; + return do_mmap2(addr, len, prot, flags, fd, pgoff); } |