Signed-off-by: Serge Hallyn <serue@xxxxxxxxxx>
---
arch/powerpc/kernel/vdso.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c
index 48beff6..679b394 100644
--- a/arch/powerpc/kernel/vdso.c
+++ b/arch/powerpc/kernel/vdso.c
@@ -240,8 +240,10 @@ int arch_setup_additional_pages(struct linux_binprm *bprm,
}
/* for restart(2), double check that we got we asked for */
- if (start && vdso_base != start)
+ if (start && vdso_base != start) {
+ rc = -EBUSY;
goto fail_mmapsem;
+ }
/*
* our vma flags don't have VM_WRITE so by default, the process isn't
--
1.6.2.3
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