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authorJames Morris <james.l.morris@oracle.com>2012-08-17 20:42:30 +1000
committerJames Morris <james.l.morris@oracle.com>2012-08-17 20:42:30 +1000
commit51b743fe87d7fb3dba7a2ff4a1fe23bb65dc2245 (patch)
treef8b8f601713a3ecb264eb9f145636343d9350520 /arch/arm/kernel/ftrace.c
parent9f99798ff49e73dded73a8c674044ea6fb6af651 (diff)
parentd9875690d9b89a866022ff49e3fcea892345ad92 (diff)
downloadlinux-51b743fe87d7fb3dba7a2ff4a1fe23bb65dc2245.tar.gz
Merge tag 'v3.6-rc2' into next
Linux 3.6-rc2 Resync with Linus.
Diffstat (limited to 'arch/arm/kernel/ftrace.c')
-rw-r--r--arch/arm/kernel/ftrace.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/arch/arm/kernel/ftrace.c b/arch/arm/kernel/ftrace.c
index df0bf0c8cb7..34e56647dce 100644
--- a/arch/arm/kernel/ftrace.c
+++ b/arch/arm/kernel/ftrace.c
@@ -179,19 +179,20 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr,
old = *parent;
*parent = return_hooker;
- err = ftrace_push_return_trace(old, self_addr, &trace.depth,
- frame_pointer);
- if (err == -EBUSY) {
- *parent = old;
- return;
- }
-
trace.func = self_addr;
+ trace.depth = current->curr_ret_stack + 1;
/* Only trace if the calling function expects to */
if (!ftrace_graph_entry(&trace)) {
- current->curr_ret_stack--;
*parent = old;
+ return;
+ }
+
+ err = ftrace_push_return_trace(old, self_addr, &trace.depth,
+ frame_pointer);
+ if (err == -EBUSY) {
+ *parent = old;
+ return;
}
}