Messages in this thread Patch in this message | | | From | Dmitry Safonov <> | Subject | [PATCHv2 1/6] x86/vdso: unmap vdso blob on vvar mapping failure | Date | Wed, 29 Jun 2016 13:57:31 +0300 |
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If remapping of vDSO blob failed on vvar mapping, we need to unmap previously mapped vDSO blob.
Cc: Andy Lutomirski <luto@kernel.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Cyrill Gorcunov <gorcunov@openvz.org> Cc: Pavel Emelyanov <xemul@virtuozzo.com> Cc: x86@kernel.org Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com> --- arch/x86/entry/vdso/vma.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/entry/vdso/vma.c b/arch/x86/entry/vdso/vma.c index 3329844e3c43..387028e6755d 100644 --- a/arch/x86/entry/vdso/vma.c +++ b/arch/x86/entry/vdso/vma.c @@ -238,7 +238,7 @@ static int map_vdso(const struct vdso_image *image, bool calculate_addr) if (IS_ERR(vma)) { ret = PTR_ERR(vma); - goto up_fail; + do_munmap(mm, text_start, image->size); } up_fail: -- 2.9.0
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