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| author | Stuart Bennett <stuart@freedesktop.org> | 2009-04-28 21:17:48 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-04-29 11:32:22 +0200 |
| commit | 33015c85995716d03f6293346cf05a1908b0fb9a (patch) | |
| tree | 26fdb8cdb5b1b90628a23c032bf30350f5bda721 /arch/x86/mm/kmmio.c | |
| parent | tracing: fix ref count in splice pages (diff) | |
| download | linux-33015c85995716d03f6293346cf05a1908b0fb9a.tar.xz linux-33015c85995716d03f6293346cf05a1908b0fb9a.zip | |
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/x86/mm/kmmio.c')
| -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 4f115e00486b..50dc802a1c46 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; |