Merge branch 'exec_rm_compat' of git://git.kernel.org/pub/scm/linux/kernel/git/oleg...

[pandora-kernel.git] / arch / arm / kernel / perf_event.c

diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index 979da39..139e3c8 100644 (file)
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -746,7 +746,8 @@ perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs)
 
        tail = (struct frame_tail __user *)regs->ARM_fp - 1;
 
-       while (tail && !((unsigned long)tail & 0x3))
+       while ((entry->nr < PERF_MAX_STACK_DEPTH) &&
+              tail && !((unsigned long)tail & 0x3))
                tail = user_backtrace(tail, entry);
 }