2003-06-30 00:50:35

by Anton Blanchard

[permalink] [raw]
Subject: [PATCH] fix return value after hugetlb mmap failure


Hi,

At the moment no one uses is_aligned_hugepage_range or is_hugepage_only_range,
but it is reasonable to assume they return true or false.

On error we want to return -EINVAL back to userspace.

Anton

===== /mnt/kernels/linux-2.5/mm/mmap.c 1.86 vs edited =====
--- 1.86/mm/mmap.c Thu Jun 26 09:30:53 2003
+++ edited//mnt/kernels/linux-2.5/mm/mmap.c Mon Jun 30 10:56:22 2003
@@ -846,7 +846,7 @@
ret = is_hugepage_only_range(addr, len);
}
if (ret)
- return ret;
+ return -EINVAL;
return addr;
}