[Devel] [PATCH 1/2] ppc vdso: make sure rc is defined

[Serge E. Hallyn]

Signed-off-by: Serge Hallyn <serue at us.ibm.com>
---
 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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