diff options
| author | Stuart Bennett <stuart@freedesktop.org> | 2009-04-28 20:17:48 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-05-08 15:45:12 -0700 |
| commit | 0bdcc4d3d0ad03cdcabbc689415e2e6924cd8636 (patch) | |
| tree | e1859a3762df7dd26fa118197fe0f3dfd7220346 | |
| parent | 3209ada8285a9fa6ab8f7a731d54031ec884c745 (diff) | |
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 <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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | arch/x86/mm/kmmio.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/mm/kmmio.c b/arch/x86/mm/kmmio.c index 6a518dd08a3..4a685714dbb 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; |