From 0bdcc4d3d0ad03cdcabbc689415e2e6924cd8636 Mon Sep 17 00:00:00 2001 From: Stuart Bennett Date: Tue, 28 Apr 2009 20:17:48 +0100 Subject: [PATCH] tracing: x86, mmiotrace: fix range test commit 33015c85995716d03f6293346cf05a1908b0fb9a upstream. Matching on (addr == (p->addr + p->len)) causes problems when mappings are adjacent. [ Impact: fix mmiotrace confusion on adjacent iomaps ] Signed-off-by: Stuart Bennett Acked-by: Pekka Paalanen Cc: Steven Rostedt LKML-Reference: <1240946271-7083-2-git-send-email-stuart@freedesktop.org> Signed-off-by: Ingo Molnar Signed-off-by: Greg Kroah-Hartman --- arch/x86/mm/kmmio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/mm/kmmio.c b/arch/x86/mm/kmmio.c index 6a518dd08a365..4a685714dbbe6 100644 --- a/arch/x86/mm/kmmio.c +++ b/arch/x86/mm/kmmio.c @@ -87,7 +87,7 @@ static struct kmmio_probe *get_kmmio_probe(unsigned long addr) { struct kmmio_probe *p; list_for_each_entry_rcu(p, &kmmio_probes, list) { - if (addr >= p->addr && addr <= (p->addr + p->len)) + if (addr >= p->addr && addr < (p->addr + p->len)) return p; } return NULL; -- 2.47.2