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| author | Hugh Dickins <hugh@veritas.com> | 2006-11-14 13:43:38 +0000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.osdl.org> | 2006-11-14 15:15:01 -0800 |
| commit | cd2579d7aa7bfc966cc271a88e77f8cfc3b0b7ba (patch) | |
| tree | 47687e0e88bf5f5ea266112490a63f55085b8c18 /mm | |
| parent | 1f794b6082a5ff88f7c48d1634056026acf806f4 (diff) | |
| download | lwn-cd2579d7aa7bfc966cc271a88e77f8cfc3b0b7ba.tar.gz lwn-cd2579d7aa7bfc966cc271a88e77f8cfc3b0b7ba.zip | |
[PATCH] hugetlb: fix error return for brk() entering a hugepage region
Commit cb07c9a1864a8eac9f3123e428100d5b2a16e65a causes the wrong return
value. is_hugepage_only_range() is a boolean, so we should return
-EINVAL rather than 1.
Also - we can use "mm" instead of looking up "current->mm" again.
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/mmap.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index 2526463c99a7..7b40abd7cba2 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1880,9 +1880,8 @@ unsigned long do_brk(unsigned long addr, unsigned long len) if ((addr + len) > TASK_SIZE || (addr + len) < addr) return -EINVAL; - error = is_hugepage_only_range(current->mm, addr, len); - if (error) - return error; + if (is_hugepage_only_range(mm, addr, len)) + return -EINVAL; flags = VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT | mm->def_flags; |