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authorJames Morris <jmorris@namei.org>2011-03-08 10:55:06 +1100
committerJames Morris <jmorris@namei.org>2011-03-08 10:55:06 +1100
commit1cc26bada9f6807814806db2f0d78792eecdac71 (patch)
tree5509b5139db04af6c13db0a580c84116a4a54039 /arch/arm/kernel/perf_event.c
parenteae61f3c829439f8f9121b5cd48a14be04df451f (diff)
parent214d93b02c4fe93638ad268613c9702a81ed9192 (diff)
Merge branch 'master'; commit 'v2.6.38-rc7' into next
Diffstat (limited to 'arch/arm/kernel/perf_event.c')
-rw-r--r--arch/arm/kernel/perf_event.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 5efa2647a2f..d150ad1ccb5 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -700,7 +700,7 @@ user_backtrace(struct frame_tail __user *tail,
* Frame pointers should strictly progress back up the stack
* (towards higher addresses).
*/
- if (tail >= buftail.fp)
+ if (tail + 1 >= buftail.fp)
return NULL;
return buftail.fp - 1;