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authorStuart Bennett <stuart@freedesktop.org>2009-04-28 20:17:48 +0100
committerIngo Molnar <mingo@elte.hu>2009-04-29 11:32:22 +0200
commit33015c85995716d03f6293346cf05a1908b0fb9a (patch)
tree26fdb8cdb5b1b90628a23c032bf30350f5bda721 /arch
parent7267fa6819467669f5cc2ba81a615dcc88158b4b (diff)
downloadop-kernel-dev-33015c85995716d03f6293346cf05a1908b0fb9a.zip
op-kernel-dev-33015c85995716d03f6293346cf05a1908b0fb9a.tar.gz
tracing: x86, mmiotrace: fix range test
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/mm/kmmio.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/mm/kmmio.c b/arch/x86/mm/kmmio.c
index 4f115e0..50dc802 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;
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