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tracing: x86, mmiotrace: fix range test

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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 <stuart@freedesktop.org>
Acked-by: Pekka Paalanen <pq@iki.fi>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <1240946271-7083-2-git-send-email-stuart@freedesktop.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Stuart Bennett 2009-04-28 20:17:48 +01:00 committed by Ingo Molnar
parent 7267fa6819
commit 33015c8599
1 changed files with 1 additions and 1 deletions
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2
arch/x86/mm/kmmio.c
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@ -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;